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Finding the Third Proportional to 82,960 and 177,560

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Solution

The third proportional to 82,960 and 177,560 is: 380,033.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,960 : 177,560 = 177,560 : x
  2. Step 2: Convert to fraction form
    82,960/177,560 = 177,560/x
  3. Step 3: Cross multiply
    82,960x = 177,560 × 177,560
  4. Step 4: Simplify right side
    82,960x = 31,527,553,600
  5. Step 5: Solve for x
    x = 31,527,553,600/82,960
  6. Step 6: Final answer
    x = 380,033.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.