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Finding the Third Proportional to 266,680 and 375,120

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Solution

The third proportional to 266,680 and 375,120 is: 527,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,680 : 375,120 = 375,120 : x
  2. Step 2: Convert to fraction form
    266,680/375,120 = 375,120/x
  3. Step 3: Cross multiply
    266,680x = 375,120 × 375,120
  4. Step 4: Simplify right side
    266,680x = 140,715,014,400
  5. Step 5: Solve for x
    x = 140,715,014,400/266,680
  6. Step 6: Final answer
    x = 527,654.92

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.