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Finding the Third Proportional to 340.03 and 494.16

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Solution

The third proportional to 340.03 and 494.16 is: 718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.03 : 494.16 = 494.16 : x
  2. Step 2: Convert to fraction form
    340.03/494.16 = 494.16/x
  3. Step 3: Cross multiply
    340.03x = 494.16 × 494.16
  4. Step 4: Simplify right side
    340.03x = 244,190.40
  5. Step 5: Solve for x
    x = 244,190.40/340.03
  6. Step 6: Final answer
    x = 718.14

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.