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Finding the Third Proportional to 115.13 and 250.50

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Solution

The third proportional to 115.13 and 250.50 is: 545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115.13 : 250.50 = 250.50 : x
  2. Step 2: Convert to fraction form
    115.13/250.50 = 250.50/x
  3. Step 3: Cross multiply
    115.13x = 250.50 × 250.50
  4. Step 4: Simplify right side
    115.13x = 62,750.25
  5. Step 5: Solve for x
    x = 62,750.25/115.13
  6. Step 6: Final answer
    x = 545.06

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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.