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Finding the Third Proportional to 31,072 and 44,400

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Solution

The third proportional to 31,072 and 44,400 is: 63,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,072 : 44,400 = 44,400 : x
  2. Step 2: Convert to fraction form
    31,072/44,400 = 44,400/x
  3. Step 3: Cross multiply
    31,072x = 44,400 × 44,400
  4. Step 4: Simplify right side
    31,072x = 1,971,360,000
  5. Step 5: Solve for x
    x = 1,971,360,000/31,072
  6. Step 6: Final answer
    x = 63,444.90

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.