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Finding the Third Proportional to 349.88 and 470.25

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Solution

The third proportional to 349.88 and 470.25 is: 632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.88 : 470.25 = 470.25 : x
  2. Step 2: Convert to fraction form
    349.88/470.25 = 470.25/x
  3. Step 3: Cross multiply
    349.88x = 470.25 × 470.25
  4. Step 4: Simplify right side
    349.88x = 221,135.06
  5. Step 5: Solve for x
    x = 221,135.06/349.88
  6. Step 6: Final answer
    x = 632.04

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.