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Finding the Third Proportional to 28,902,972 and 67,442,545

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Solution

The third proportional to 28,902,972 and 67,442,545 is: 157,371,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902,972 : 67,442,545 = 67,442,545 : x
  2. Step 2: Convert to fraction form
    28,902,972/67,442,545 = 67,442,545/x
  3. Step 3: Cross multiply
    28,902,972x = 67,442,545 × 67,442,545
  4. Step 4: Simplify right side
    28,902,972x = 4,548,496,876,077,025
  5. Step 5: Solve for x
    x = 4,548,496,876,077,025/28,902,972
  6. Step 6: Final answer
    x = 157,371,251.51

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.