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Finding the Third Proportional to 15,941 and 31,485

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Solution

The third proportional to 15,941 and 31,485 is: 62,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941 : 31,485 = 31,485 : x
  2. Step 2: Convert to fraction form
    15,941/31,485 = 31,485/x
  3. Step 3: Cross multiply
    15,941x = 31,485 × 31,485
  4. Step 4: Simplify right side
    15,941x = 991,305,225
  5. Step 5: Solve for x
    x = 991,305,225/15,941
  6. Step 6: Final answer
    x = 62,185.89

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.