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Finding the Third Proportional to 18,777,732 and 40,035,792

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Solution

The third proportional to 18,777,732 and 40,035,792 is: 85,359,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777,732 : 40,035,792 = 40,035,792 : x
  2. Step 2: Convert to fraction form
    18,777,732/40,035,792 = 40,035,792/x
  3. Step 3: Cross multiply
    18,777,732x = 40,035,792 × 40,035,792
  4. Step 4: Simplify right side
    18,777,732x = 1,602,864,641,067,264
  5. Step 5: Solve for x
    x = 1,602,864,641,067,264/18,777,732
  6. Step 6: Final answer
    x = 85,359,863.54

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.