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Finding the Third Proportional to 112.13 and 240.25

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Solution

The third proportional to 112.13 and 240.25 is: 514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.13 : 240.25 = 240.25 : x
  2. Step 2: Convert to fraction form
    112.13/240.25 = 240.25/x
  3. Step 3: Cross multiply
    112.13x = 240.25 × 240.25
  4. Step 4: Simplify right side
    112.13x = 57,720.06
  5. Step 5: Solve for x
    x = 57,720.06/112.13
  6. Step 6: Final answer
    x = 514.78

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.