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Finding the Third Proportional to 758.90 and 1,067.16

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Solution

The third proportional to 758.90 and 1,067.16 is: 1,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    758.90 : 1,067.16 = 1,067.16 : x
  2. Step 2: Convert to fraction form
    758.90/1,067.16 = 1,067.16/x
  3. Step 3: Cross multiply
    758.90x = 1,067.16 × 1,067.16
  4. Step 4: Simplify right side
    758.90x = 1,138,828.71
  5. Step 5: Solve for x
    x = 1,138,828.71/758.90
  6. Step 6: Final answer
    x = 1,500.63

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.