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Finding the Third Proportional to 42,471 and 90,001.13

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Solution

The third proportional to 42,471 and 90,001.13 is: 190,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,471 : 90,001.13 = 90,001.13 : x
  2. Step 2: Convert to fraction form
    42,471/90,001.13 = 90,001.13/x
  3. Step 3: Cross multiply
    42,471x = 90,001.13 × 90,001.13
  4. Step 4: Simplify right side
    42,471x = 8,100,202,501.27
  5. Step 5: Solve for x
    x = 8,100,202,501.27/42,471
  6. Step 6: Final answer
    x = 190,723.14

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.