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Finding the Third Proportional to 31,692 and 47,052

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Solution

The third proportional to 31,692 and 47,052 is: 69,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,692 : 47,052 = 47,052 : x
  2. Step 2: Convert to fraction form
    31,692/47,052 = 47,052/x
  3. Step 3: Cross multiply
    31,692x = 47,052 × 47,052
  4. Step 4: Simplify right side
    31,692x = 2,213,890,704
  5. Step 5: Solve for x
    x = 2,213,890,704/31,692
  6. Step 6: Final answer
    x = 69,856.45

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.