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Finding the Third Proportional to 3,515.91 and 7,587.84

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Solution

The third proportional to 3,515.91 and 7,587.84 is: 16,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.91 : 7,587.84 = 7,587.84 : x
  2. Step 2: Convert to fraction form
    3,515.91/7,587.84 = 7,587.84/x
  3. Step 3: Cross multiply
    3,515.91x = 7,587.84 × 7,587.84
  4. Step 4: Simplify right side
    3,515.91x = 57,575,372.77
  5. Step 5: Solve for x
    x = 57,575,372.77/3,515.91
  6. Step 6: Final answer
    x = 16,375.68

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.