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Finding the Third Proportional to 119,642,168 and 259,703,398

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Solution

The third proportional to 119,642,168 and 259,703,398 is: 563,729,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,642,168 : 259,703,398 = 259,703,398 : x
  2. Step 2: Convert to fraction form
    119,642,168/259,703,398 = 259,703,398/x
  3. Step 3: Cross multiply
    119,642,168x = 259,703,398 × 259,703,398
  4. Step 4: Simplify right side
    119,642,168x = 67,445,854,932,746,400
  5. Step 5: Solve for x
    x = 67,445,854,932,746,400/119,642,168
  6. Step 6: Final answer
    x = 563,729,795.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.