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Finding the Third Proportional to 475.50 and 713.25

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Solution

The third proportional to 475.50 and 713.25 is: 1,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.50 : 713.25 = 713.25 : x
  2. Step 2: Convert to fraction form
    475.50/713.25 = 713.25/x
  3. Step 3: Cross multiply
    475.50x = 713.25 × 713.25
  4. Step 4: Simplify right side
    475.50x = 508,725.56
  5. Step 5: Solve for x
    x = 508,725.56/475.50
  6. Step 6: Final answer
    x = 1,069.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.