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Finding the Third Proportional to 674.23 and 1,456.66

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Solution

The third proportional to 674.23 and 1,456.66 is: 3,147.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.23 : 1,456.66 = 1,456.66 : x
  2. Step 2: Convert to fraction form
    674.23/1,456.66 = 1,456.66/x
  3. Step 3: Cross multiply
    674.23x = 1,456.66 × 1,456.66
  4. Step 4: Simplify right side
    674.23x = 2,121,870.19
  5. Step 5: Solve for x
    x = 2,121,870.19/674.23
  6. Step 6: Final answer
    x = 3,147.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.