Home / 20,440,789.17-31,418,902.69

Finding the Third Proportional to 20,440,789.17 and 31,418,902.69

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Solution

The third proportional to 20,440,789.17 and 31,418,902.69 is: 48,293,020.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,440,789.17 : 31,418,902.69 = 31,418,902.69 : x
  2. Step 2: Convert to fraction form
    20,440,789.17/31,418,902.69 = 31,418,902.69/x
  3. Step 3: Cross multiply
    20,440,789.17x = 31,418,902.69 × 31,418,902.69
  4. Step 4: Simplify right side
    20,440,789.17x = 987,147,446,086,594.75
  5. Step 5: Solve for x
    x = 987,147,446,086,594.75/20,440,789.17
  6. Step 6: Final answer
    x = 48,293,020.28

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.