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Finding the Third Proportional to 251.06 and 547.13

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Solution

The third proportional to 251.06 and 547.13 is: 1,192.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.06 : 547.13 = 547.13 : x
  2. Step 2: Convert to fraction form
    251.06/547.13 = 547.13/x
  3. Step 3: Cross multiply
    251.06x = 547.13 × 547.13
  4. Step 4: Simplify right side
    251.06x = 299,345.77
  5. Step 5: Solve for x
    x = 299,345.77/251.06
  6. Step 6: Final answer
    x = 1,192.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.