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Finding the Third Proportional to 534.75 and 723.38

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Solution

The third proportional to 534.75 and 723.38 is: 978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.75 : 723.38 = 723.38 : x
  2. Step 2: Convert to fraction form
    534.75/723.38 = 723.38/x
  3. Step 3: Cross multiply
    534.75x = 723.38 × 723.38
  4. Step 4: Simplify right side
    534.75x = 523,271.39
  5. Step 5: Solve for x
    x = 523,271.39/534.75
  6. Step 6: Final answer
    x = 978.53

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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.