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Finding the Third Proportional to 562.31 and 1,237.13

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Solution

The third proportional to 562.31 and 1,237.13 is: 2,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.31 : 1,237.13 = 1,237.13 : x
  2. Step 2: Convert to fraction form
    562.31/1,237.13 = 1,237.13/x
  3. Step 3: Cross multiply
    562.31x = 1,237.13 × 1,237.13
  4. Step 4: Simplify right side
    562.31x = 1,530,478.27
  5. Step 5: Solve for x
    x = 1,530,478.27/562.31
  6. Step 6: Final answer
    x = 2,721.76

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.