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Finding the Third Proportional to 54,607.50 and 82,757

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Solution

The third proportional to 54,607.50 and 82,757 is: 125,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,607.50 : 82,757 = 82,757 : x
  2. Step 2: Convert to fraction form
    54,607.50/82,757 = 82,757/x
  3. Step 3: Cross multiply
    54,607.50x = 82,757 × 82,757
  4. Step 4: Simplify right side
    54,607.50x = 6,848,721,049
  5. Step 5: Solve for x
    x = 6,848,721,049/54,607.50
  6. Step 6: Final answer
    x = 125,417.22

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.