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Finding the Third Proportional to 3,548 and 6,412

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Solution

The third proportional to 3,548 and 6,412 is: 11,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548 : 6,412 = 6,412 : x
  2. Step 2: Convert to fraction form
    3,548/6,412 = 6,412/x
  3. Step 3: Cross multiply
    3,548x = 6,412 × 6,412
  4. Step 4: Simplify right side
    3,548x = 41,113,744
  5. Step 5: Solve for x
    x = 41,113,744/3,548
  6. Step 6: Final answer
    x = 11,587.86

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.