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Finding the Third Proportional to 475.13 and 746.25

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Solution

The third proportional to 475.13 and 746.25 is: 1,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.13 : 746.25 = 746.25 : x
  2. Step 2: Convert to fraction form
    475.13/746.25 = 746.25/x
  3. Step 3: Cross multiply
    475.13x = 746.25 × 746.25
  4. Step 4: Simplify right side
    475.13x = 556,889.06
  5. Step 5: Solve for x
    x = 556,889.06/475.13
  6. Step 6: Final answer
    x = 1,172.09

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.