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Finding the Third Proportional to 3,141 and 4,692

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Solution

The third proportional to 3,141 and 4,692 is: 7,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141 : 4,692 = 4,692 : x
  2. Step 2: Convert to fraction form
    3,141/4,692 = 4,692/x
  3. Step 3: Cross multiply
    3,141x = 4,692 × 4,692
  4. Step 4: Simplify right side
    3,141x = 22,014,864
  5. Step 5: Solve for x
    x = 22,014,864/3,141
  6. Step 6: Final answer
    x = 7,008.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.