Home / 688,312-1,042,828

Finding the Third Proportional to 688,312 and 1,042,828

Calculator

Solution

The third proportional to 688,312 and 1,042,828 is: 1,579,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,312 : 1,042,828 = 1,042,828 : x
  2. Step 2: Convert to fraction form
    688,312/1,042,828 = 1,042,828/x
  3. Step 3: Cross multiply
    688,312x = 1,042,828 × 1,042,828
  4. Step 4: Simplify right side
    688,312x = 1,087,490,237,584
  5. Step 5: Solve for x
    x = 1,087,490,237,584/688,312
  6. Step 6: Final answer
    x = 1,579,937.93

Related Problems

Find third proportional to 344,156 and 521,414
Half scale
Find third proportional to 1,376,624 and 2,085,656
Double scale
Find third proportional to 688,314 and 1,042,831
Similar ratio
Find third proportional to 1,032,468 and 1,564,242
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.