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Finding the Third Proportional to 71,570.25 and 107,352

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Solution

The third proportional to 71,570.25 and 107,352 is: 161,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,570.25 : 107,352 = 107,352 : x
  2. Step 2: Convert to fraction form
    71,570.25/107,352 = 107,352/x
  3. Step 3: Cross multiply
    71,570.25x = 107,352 × 107,352
  4. Step 4: Simplify right side
    71,570.25x = 11,524,451,904
  5. Step 5: Solve for x
    x = 11,524,451,904/71,570.25
  6. Step 6: Final answer
    x = 161,022.94

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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.