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Finding the Third Proportional to 176,754 and 274,122

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Solution

The third proportional to 176,754 and 274,122 is: 425,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,754 : 274,122 = 274,122 : x
  2. Step 2: Convert to fraction form
    176,754/274,122 = 274,122/x
  3. Step 3: Cross multiply
    176,754x = 274,122 × 274,122
  4. Step 4: Simplify right side
    176,754x = 75,142,870,884
  5. Step 5: Solve for x
    x = 75,142,870,884/176,754
  6. Step 6: Final answer
    x = 425,126.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.