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Finding the Third Proportional to 3,948 and 5,703.75

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Solution

The third proportional to 3,948 and 5,703.75 is: 8,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948 : 5,703.75 = 5,703.75 : x
  2. Step 2: Convert to fraction form
    3,948/5,703.75 = 5,703.75/x
  3. Step 3: Cross multiply
    3,948x = 5,703.75 × 5,703.75
  4. Step 4: Simplify right side
    3,948x = 32,532,764.06
  5. Step 5: Solve for x
    x = 32,532,764.06/3,948
  6. Step 6: Final answer
    x = 8,240.32

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.