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Finding the Third Proportional to 31,395.75 and 47,094

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Solution

The third proportional to 31,395.75 and 47,094 is: 70,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.75 : 47,094 = 47,094 : x
  2. Step 2: Convert to fraction form
    31,395.75/47,094 = 47,094/x
  3. Step 3: Cross multiply
    31,395.75x = 47,094 × 47,094
  4. Step 4: Simplify right side
    31,395.75x = 2,217,844,836
  5. Step 5: Solve for x
    x = 2,217,844,836/31,395.75
  6. Step 6: Final answer
    x = 70,641.56

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Why These Related Problems?

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