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Finding the Third Proportional to 54,734 and 82,156

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Solution

The third proportional to 54,734 and 82,156 is: 123,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,734 : 82,156 = 82,156 : x
  2. Step 2: Convert to fraction form
    54,734/82,156 = 82,156/x
  3. Step 3: Cross multiply
    54,734x = 82,156 × 82,156
  4. Step 4: Simplify right side
    54,734x = 6,749,608,336
  5. Step 5: Solve for x
    x = 6,749,608,336/54,734
  6. Step 6: Final answer
    x = 123,316.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.