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Finding the Third Proportional to 101,572.31 and 218,754

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Solution

The third proportional to 101,572.31 and 218,754 is: 471,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,572.31 : 218,754 = 218,754 : x
  2. Step 2: Convert to fraction form
    101,572.31/218,754 = 218,754/x
  3. Step 3: Cross multiply
    101,572.31x = 218,754 × 218,754
  4. Step 4: Simplify right side
    101,572.31x = 47,853,312,516
  5. Step 5: Solve for x
    x = 47,853,312,516/101,572.31
  6. Step 6: Final answer
    x = 471,125.56

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.