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Finding the Third Proportional to 124.70 and 265.75

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Solution

The third proportional to 124.70 and 265.75 is: 566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.70 : 265.75 = 265.75 : x
  2. Step 2: Convert to fraction form
    124.70/265.75 = 265.75/x
  3. Step 3: Cross multiply
    124.70x = 265.75 × 265.75
  4. Step 4: Simplify right side
    124.70x = 70,623.91
  5. Step 5: Solve for x
    x = 70,623.91/124.70
  6. Step 6: Final answer
    x = 566.33

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.