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Finding the Third Proportional to 3,917.25 and 5,875.88

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Solution

The third proportional to 3,917.25 and 5,875.88 is: 8,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.25 : 5,875.88 = 5,875.88 : x
  2. Step 2: Convert to fraction form
    3,917.25/5,875.88 = 5,875.88/x
  3. Step 3: Cross multiply
    3,917.25x = 5,875.88 × 5,875.88
  4. Step 4: Simplify right side
    3,917.25x = 34,525,907.02
  5. Step 5: Solve for x
    x = 34,525,907.02/3,917.25
  6. Step 6: Final answer
    x = 8,813.81

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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.