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Finding the Third Proportional to 475.88 and 745.88

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Solution

The third proportional to 475.88 and 745.88 is: 1,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.88 : 745.88 = 745.88 : x
  2. Step 2: Convert to fraction form
    475.88/745.88 = 745.88/x
  3. Step 3: Cross multiply
    475.88x = 745.88 × 745.88
  4. Step 4: Simplify right side
    475.88x = 556,329.52
  5. Step 5: Solve for x
    x = 556,329.52/475.88
  6. Step 6: Final answer
    x = 1,169.07

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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.