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Finding the Third Proportional to 113,481 and 170,711.25

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Solution

The third proportional to 113,481 and 170,711.25 is: 256,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,481 : 170,711.25 = 170,711.25 : x
  2. Step 2: Convert to fraction form
    113,481/170,711.25 = 170,711.25/x
  3. Step 3: Cross multiply
    113,481x = 170,711.25 × 170,711.25
  4. Step 4: Simplify right side
    113,481x = 29,142,330,876.56
  5. Step 5: Solve for x
    x = 29,142,330,876.56/113,481
  6. Step 6: Final answer
    x = 256,803.61

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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.