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Finding the Third Proportional to 370.20 and 808.73

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Solution

The third proportional to 370.20 and 808.73 is: 1,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.20 : 808.73 = 808.73 : x
  2. Step 2: Convert to fraction form
    370.20/808.73 = 808.73/x
  3. Step 3: Cross multiply
    370.20x = 808.73 × 808.73
  4. Step 4: Simplify right side
    370.20x = 654,051.29
  5. Step 5: Solve for x
    x = 654,051.29/370.20
  6. Step 6: Final answer
    x = 1,766.77

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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.