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Finding the Third Proportional to 31,373 and 47,129

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Solution

The third proportional to 31,373 and 47,129 is: 70,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373 : 47,129 = 47,129 : x
  2. Step 2: Convert to fraction form
    31,373/47,129 = 47,129/x
  3. Step 3: Cross multiply
    31,373x = 47,129 × 47,129
  4. Step 4: Simplify right side
    31,373x = 2,221,142,641
  5. Step 5: Solve for x
    x = 2,221,142,641/31,373
  6. Step 6: Final answer
    x = 70,797.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.