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Finding the Third Proportional to 370.50 and 814.13

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Solution

The third proportional to 370.50 and 814.13 is: 1,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.50 : 814.13 = 814.13 : x
  2. Step 2: Convert to fraction form
    370.50/814.13 = 814.13/x
  3. Step 3: Cross multiply
    370.50x = 814.13 × 814.13
  4. Step 4: Simplify right side
    370.50x = 662,799.52
  5. Step 5: Solve for x
    x = 662,799.52/370.50
  6. Step 6: Final answer
    x = 1,788.93

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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.