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Finding the Third Proportional to 14.15 and 25.61

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Solution

The third proportional to 14.15 and 25.61 is: 46.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.15 : 25.61 = 25.61 : x
  2. Step 2: Convert to fraction form
    14.15/25.61 = 25.61/x
  3. Step 3: Cross multiply
    14.15x = 25.61 × 25.61
  4. Step 4: Simplify right side
    14.15x = 656.12
  5. Step 5: Solve for x
    x = 656.12/14.15
  6. Step 6: Final answer
    x = 46.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.