Home / 121,802,468-287,441,447

Finding the Third Proportional to 121,802,468 and 287,441,447

Calculator

Solution

The third proportional to 121,802,468 and 287,441,447 is: 678,332,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,802,468 : 287,441,447 = 287,441,447 : x
  2. Step 2: Convert to fraction form
    121,802,468/287,441,447 = 287,441,447/x
  3. Step 3: Cross multiply
    121,802,468x = 287,441,447 × 287,441,447
  4. Step 4: Simplify right side
    121,802,468x = 82,622,585,453,453,808
  5. Step 5: Solve for x
    x = 82,622,585,453,453,808/121,802,468
  6. Step 6: Final answer
    x = 678,332,605.32

Related Problems

Find third proportional to 60,901,234 and 143,720,723.50
Half scale
Find third proportional to 243,604,936 and 574,882,894
Double scale
Find third proportional to 121,802,470 and 287,441,452
Similar ratio
Find third proportional to 182,703,702 and 431,162,170.50
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.