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Finding the Third Proportional to 886.60 and 1,340.71

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Solution

The third proportional to 886.60 and 1,340.71 is: 2,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.60 : 1,340.71 = 1,340.71 : x
  2. Step 2: Convert to fraction form
    886.60/1,340.71 = 1,340.71/x
  3. Step 3: Cross multiply
    886.60x = 1,340.71 × 1,340.71
  4. Step 4: Simplify right side
    886.60x = 1,797,509.09
  5. Step 5: Solve for x
    x = 1,797,509.09/886.60
  6. Step 6: Final answer
    x = 2,027.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.