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Finding the Third Proportional to 124,775 and 162,741

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Solution

The third proportional to 124,775 and 162,741 is: 212,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,775 : 162,741 = 162,741 : x
  2. Step 2: Convert to fraction form
    124,775/162,741 = 162,741/x
  3. Step 3: Cross multiply
    124,775x = 162,741 × 162,741
  4. Step 4: Simplify right side
    124,775x = 26,484,633,081
  5. Step 5: Solve for x
    x = 26,484,633,081/124,775
  6. Step 6: Final answer
    x = 212,259.13

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.