Home / 291,640,673-688,445,352

Finding the Third Proportional to 291,640,673 and 688,445,352

Calculator

Solution

The third proportional to 291,640,673 and 688,445,352 is: 1,625,140,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,640,673 : 688,445,352 = 688,445,352 : x
  2. Step 2: Convert to fraction form
    291,640,673/688,445,352 = 688,445,352/x
  3. Step 3: Cross multiply
    291,640,673x = 688,445,352 × 688,445,352
  4. Step 4: Simplify right side
    291,640,673x = 473,957,002,690,403,904
  5. Step 5: Solve for x
    x = 473,957,002,690,403,904/291,640,673
  6. Step 6: Final answer
    x = 1,625,140,272.15

Related Problems

Find third proportional to 145,820,336.50 and 344,222,676
Half scale
Find third proportional to 583,281,346 and 1,376,890,704
Double scale
Find third proportional to 291,640,675 and 688,445,357
Similar ratio
Find third proportional to 437,461,009.50 and 1,032,668,028
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.