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Finding the Third Proportional to 12,957,128 and 29,996,516

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Solution

The third proportional to 12,957,128 and 29,996,516 is: 69,443,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957,128 : 29,996,516 = 29,996,516 : x
  2. Step 2: Convert to fraction form
    12,957,128/29,996,516 = 29,996,516/x
  3. Step 3: Cross multiply
    12,957,128x = 29,996,516 × 29,996,516
  4. Step 4: Simplify right side
    12,957,128x = 899,790,972,138,256
  5. Step 5: Solve for x
    x = 899,790,972,138,256/12,957,128
  6. Step 6: Final answer
    x = 69,443,704.82

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.