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Finding the Third Proportional to 28,287,387 and 61,756,398

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Solution

The third proportional to 28,287,387 and 61,756,398 is: 134,825,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,287,387 : 61,756,398 = 61,756,398 : x
  2. Step 2: Convert to fraction form
    28,287,387/61,756,398 = 61,756,398/x
  3. Step 3: Cross multiply
    28,287,387x = 61,756,398 × 61,756,398
  4. Step 4: Simplify right side
    28,287,387x = 3,813,852,693,934,404
  5. Step 5: Solve for x
    x = 3,813,852,693,934,404/28,287,387
  6. Step 6: Final answer
    x = 134,825,202.98

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.