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Finding the Third Proportional to 318.50 and 464

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Solution

The third proportional to 318.50 and 464 is: 675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    318.50 : 464 = 464 : x
  2. Step 2: Convert to fraction form
    318.50/464 = 464/x
  3. Step 3: Cross multiply
    318.50x = 464 × 464
  4. Step 4: Simplify right side
    318.50x = 215,296
  5. Step 5: Solve for x
    x = 215,296/318.50
  6. Step 6: Final answer
    x = 675.97

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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.