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Finding the Third Proportional to 534.38 and 718.88

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Solution

The third proportional to 534.38 and 718.88 is: 967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.38 : 718.88 = 718.88 : x
  2. Step 2: Convert to fraction form
    534.38/718.88 = 718.88/x
  3. Step 3: Cross multiply
    534.38x = 718.88 × 718.88
  4. Step 4: Simplify right side
    534.38x = 516,781.27
  5. Step 5: Solve for x
    x = 516,781.27/534.38
  6. Step 6: Final answer
    x = 967.08

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.