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Finding the Third Proportional to 2,918.25 and 6,867

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Solution

The third proportional to 2,918.25 and 6,867 is: 16,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.25 : 6,867 = 6,867 : x
  2. Step 2: Convert to fraction form
    2,918.25/6,867 = 6,867/x
  3. Step 3: Cross multiply
    2,918.25x = 6,867 × 6,867
  4. Step 4: Simplify right side
    2,918.25x = 47,155,689
  5. Step 5: Solve for x
    x = 47,155,689/2,918.25
  6. Step 6: Final answer
    x = 16,158.89

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.