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Finding the Third Proportional to 248.06 and 545.91

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Solution

The third proportional to 248.06 and 545.91 is: 1,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.06 : 545.91 = 545.91 : x
  2. Step 2: Convert to fraction form
    248.06/545.91 = 545.91/x
  3. Step 3: Cross multiply
    248.06x = 545.91 × 545.91
  4. Step 4: Simplify right side
    248.06x = 298,013.63
  5. Step 5: Solve for x
    x = 298,013.63/248.06
  6. Step 6: Final answer
    x = 1,201.37

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.