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Finding the Third Proportional to 334 and 718.75

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Solution

The third proportional to 334 and 718.75 is: 1,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    334 : 718.75 = 718.75 : x
  2. Step 2: Convert to fraction form
    334/718.75 = 718.75/x
  3. Step 3: Cross multiply
    334x = 718.75 × 718.75
  4. Step 4: Simplify right side
    334x = 516,601.56
  5. Step 5: Solve for x
    x = 516,601.56/334
  6. Step 6: Final answer
    x = 1,546.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.