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Finding the Third Proportional to 125.86 and 184.92

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Solution

The third proportional to 125.86 and 184.92 is: 271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.86 : 184.92 = 184.92 : x
  2. Step 2: Convert to fraction form
    125.86/184.92 = 184.92/x
  3. Step 3: Cross multiply
    125.86x = 184.92 × 184.92
  4. Step 4: Simplify right side
    125.86x = 34,196.10
  5. Step 5: Solve for x
    x = 34,196.10/125.86
  6. Step 6: Final answer
    x = 271.70

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.