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Finding the Third Proportional to 58 and 124.75

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Solution

The third proportional to 58 and 124.75 is: 268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58 : 124.75 = 124.75 : x
  2. Step 2: Convert to fraction form
    58/124.75 = 124.75/x
  3. Step 3: Cross multiply
    58x = 124.75 × 124.75
  4. Step 4: Simplify right side
    58x = 15,562.56
  5. Step 5: Solve for x
    x = 15,562.56/58
  6. Step 6: Final answer
    x = 268.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.