Home / 121,802,466-287,441,442

Finding the Third Proportional to 121,802,466 and 287,441,442

Calculator

Solution

The third proportional to 121,802,466 and 287,441,442 is: 678,332,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,802,466 : 287,441,442 = 287,441,442 : x
  2. Step 2: Convert to fraction form
    121,802,466/287,441,442 = 287,441,442/x
  3. Step 3: Cross multiply
    121,802,466x = 287,441,442 × 287,441,442
  4. Step 4: Simplify right side
    121,802,466x = 82,622,582,579,039,360
  5. Step 5: Solve for x
    x = 82,622,582,579,039,360/121,802,466
  6. Step 6: Final answer
    x = 678,332,592.86

Related Problems

Find third proportional to 60,901,233 and 143,720,721
Half scale
Find third proportional to 243,604,932 and 574,882,884
Double scale
Find third proportional to 121,802,468 and 287,441,447
Similar ratio
Find third proportional to 182,703,699 and 431,162,163
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.