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Finding the Third Proportional to 15.41 and 26.20

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Solution

The third proportional to 15.41 and 26.20 is: 44.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.41 : 26.20 = 26.20 : x
  2. Step 2: Convert to fraction form
    15.41/26.20 = 26.20/x
  3. Step 3: Cross multiply
    15.41x = 26.20 × 26.20
  4. Step 4: Simplify right side
    15.41x = 686.47
  5. Step 5: Solve for x
    x = 686.47/15.41
  6. Step 6: Final answer
    x = 44.54

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.