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Finding the Third Proportional to 57,552 and 126,688

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Solution

The third proportional to 57,552 and 126,688 is: 278,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,552 : 126,688 = 126,688 : x
  2. Step 2: Convert to fraction form
    57,552/126,688 = 126,688/x
  3. Step 3: Cross multiply
    57,552x = 126,688 × 126,688
  4. Step 4: Simplify right side
    57,552x = 16,049,849,344
  5. Step 5: Solve for x
    x = 16,049,849,344/57,552
  6. Step 6: Final answer
    x = 278,875.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.