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Finding the Third Proportional to 3,167.86 and 6,557.84

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Solution

The third proportional to 3,167.86 and 6,557.84 is: 13,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.86 : 6,557.84 = 6,557.84 : x
  2. Step 2: Convert to fraction form
    3,167.86/6,557.84 = 6,557.84/x
  3. Step 3: Cross multiply
    3,167.86x = 6,557.84 × 6,557.84
  4. Step 4: Simplify right side
    3,167.86x = 43,005,212.18
  5. Step 5: Solve for x
    x = 43,005,212.18/3,167.86
  6. Step 6: Final answer
    x = 13,575.48

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.