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Finding the Third Proportional to 77,935 and 170,448

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Solution

The third proportional to 77,935 and 170,448 is: 372,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,935 : 170,448 = 170,448 : x
  2. Step 2: Convert to fraction form
    77,935/170,448 = 170,448/x
  3. Step 3: Cross multiply
    77,935x = 170,448 × 170,448
  4. Step 4: Simplify right side
    77,935x = 29,052,520,704
  5. Step 5: Solve for x
    x = 29,052,520,704/77,935
  6. Step 6: Final answer
    x = 372,778.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.