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Finding the Third Proportional to 334.75 and 487.88

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Solution

The third proportional to 334.75 and 487.88 is: 711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.75 : 487.88 = 487.88 : x
  2. Step 2: Convert to fraction form
    334.75/487.88 = 487.88/x
  3. Step 3: Cross multiply
    334.75x = 487.88 × 487.88
  4. Step 4: Simplify right side
    334.75x = 238,022.02
  5. Step 5: Solve for x
    x = 238,022.02/334.75
  6. Step 6: Final answer
    x = 711.04

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.