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Finding the Third Proportional to 174,565 and 266,920

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Solution

The third proportional to 174,565 and 266,920 is: 408,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,565 : 266,920 = 266,920 : x
  2. Step 2: Convert to fraction form
    174,565/266,920 = 266,920/x
  3. Step 3: Cross multiply
    174,565x = 266,920 × 266,920
  4. Step 4: Simplify right side
    174,565x = 71,246,286,400
  5. Step 5: Solve for x
    x = 71,246,286,400/174,565
  6. Step 6: Final answer
    x = 408,136.15

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.