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Finding the Third Proportional to 343.13 and 458.06

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Solution

The third proportional to 343.13 and 458.06 is: 611.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.13 : 458.06 = 458.06 : x
  2. Step 2: Convert to fraction form
    343.13/458.06 = 458.06/x
  3. Step 3: Cross multiply
    343.13x = 458.06 × 458.06
  4. Step 4: Simplify right side
    343.13x = 209,821.25
  5. Step 5: Solve for x
    x = 209,821.25/343.13
  6. Step 6: Final answer
    x = 611.50

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.