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Finding the Third Proportional to 12,936,369 and 28,497,651

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Solution

The third proportional to 12,936,369 and 28,497,651 is: 62,777,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,369 : 28,497,651 = 28,497,651 : x
  2. Step 2: Convert to fraction form
    12,936,369/28,497,651 = 28,497,651/x
  3. Step 3: Cross multiply
    12,936,369x = 28,497,651 × 28,497,651
  4. Step 4: Simplify right side
    12,936,369x = 812,116,112,517,801
  5. Step 5: Solve for x
    x = 812,116,112,517,801/12,936,369
  6. Step 6: Final answer
    x = 62,777,747.95

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.