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Finding the Third Proportional to 13,711,812 and 20,062,972

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Solution

The third proportional to 13,711,812 and 20,062,972 is: 29,355,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711,812 : 20,062,972 = 20,062,972 : x
  2. Step 2: Convert to fraction form
    13,711,812/20,062,972 = 20,062,972/x
  3. Step 3: Cross multiply
    13,711,812x = 20,062,972 × 20,062,972
  4. Step 4: Simplify right side
    13,711,812x = 402,522,845,472,784
  5. Step 5: Solve for x
    x = 402,522,845,472,784/13,711,812
  6. Step 6: Final answer
    x = 29,355,919.22

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.