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Finding the Third Proportional to 5,813.75 and 8,697.88

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Solution

The third proportional to 5,813.75 and 8,697.88 is: 13,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.75 : 8,697.88 = 8,697.88 : x
  2. Step 2: Convert to fraction form
    5,813.75/8,697.88 = 8,697.88/x
  3. Step 3: Cross multiply
    5,813.75x = 8,697.88 × 8,697.88
  4. Step 4: Simplify right side
    5,813.75x = 75,653,029.52
  5. Step 5: Solve for x
    x = 75,653,029.52/5,813.75
  6. Step 6: Final answer
    x = 13,012.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.