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Finding the Third Proportional to 27,260 and 38,580

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Solution

The third proportional to 27,260 and 38,580 is: 54,600.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,260 : 38,580 = 38,580 : x
  2. Step 2: Convert to fraction form
    27,260/38,580 = 38,580/x
  3. Step 3: Cross multiply
    27,260x = 38,580 × 38,580
  4. Step 4: Simplify right side
    27,260x = 1,488,416,400
  5. Step 5: Solve for x
    x = 1,488,416,400/27,260
  6. Step 6: Final answer
    x = 54,600.75

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.