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Finding the Third Proportional to 234.13 and 547.25

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Solution

The third proportional to 234.13 and 547.25 is: 1,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.13 : 547.25 = 547.25 : x
  2. Step 2: Convert to fraction form
    234.13/547.25 = 547.25/x
  3. Step 3: Cross multiply
    234.13x = 547.25 × 547.25
  4. Step 4: Simplify right side
    234.13x = 299,482.56
  5. Step 5: Solve for x
    x = 299,482.56/234.13
  6. Step 6: Final answer
    x = 1,279.16

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.