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Finding the Third Proportional to 20,179,772 and 31,332,952

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Solution

The third proportional to 20,179,772 and 31,332,952 is: 48,650,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179,772 : 31,332,952 = 31,332,952 : x
  2. Step 2: Convert to fraction form
    20,179,772/31,332,952 = 31,332,952/x
  3. Step 3: Cross multiply
    20,179,772x = 31,332,952 × 31,332,952
  4. Step 4: Simplify right side
    20,179,772x = 981,753,881,034,304
  5. Step 5: Solve for x
    x = 981,753,881,034,304/20,179,772
  6. Step 6: Final answer
    x = 48,650,395.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.