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Finding the Third Proportional to 31,467 and 43,995.75

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Solution

The third proportional to 31,467 and 43,995.75 is: 61,512.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467 : 43,995.75 = 43,995.75 : x
  2. Step 2: Convert to fraction form
    31,467/43,995.75 = 43,995.75/x
  3. Step 3: Cross multiply
    31,467x = 43,995.75 × 43,995.75
  4. Step 4: Simplify right side
    31,467x = 1,935,626,018.06
  5. Step 5: Solve for x
    x = 1,935,626,018.06/31,467
  6. Step 6: Final answer
    x = 61,512.89

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.