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Finding the Third Proportional to 54,146 and 82,755

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Solution

The third proportional to 54,146 and 82,755 is: 126,480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,146 : 82,755 = 82,755 : x
  2. Step 2: Convert to fraction form
    54,146/82,755 = 82,755/x
  3. Step 3: Cross multiply
    54,146x = 82,755 × 82,755
  4. Step 4: Simplify right side
    54,146x = 6,848,390,025
  5. Step 5: Solve for x
    x = 6,848,390,025/54,146
  6. Step 6: Final answer
    x = 126,480.07

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.