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Finding the Third Proportional to 3,913.38 and 5,871.75

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Solution

The third proportional to 3,913.38 and 5,871.75 is: 8,810.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.38 : 5,871.75 = 5,871.75 : x
  2. Step 2: Convert to fraction form
    3,913.38/5,871.75 = 5,871.75/x
  3. Step 3: Cross multiply
    3,913.38x = 5,871.75 × 5,871.75
  4. Step 4: Simplify right side
    3,913.38x = 34,477,448.06
  5. Step 5: Solve for x
    x = 34,477,448.06/3,913.38
  6. Step 6: Final answer
    x = 8,810.16

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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.