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Finding the Third Proportional to 250.13 and 545.72

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Solution

The third proportional to 250.13 and 545.72 is: 1,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.13 : 545.72 = 545.72 : x
  2. Step 2: Convert to fraction form
    250.13/545.72 = 545.72/x
  3. Step 3: Cross multiply
    250.13x = 545.72 × 545.72
  4. Step 4: Simplify right side
    250.13x = 297,808.95
  5. Step 5: Solve for x
    x = 297,808.95/250.13
  6. Step 6: Final answer
    x = 1,190.64

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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.