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Finding the Third Proportional to 15,846 and 22,290

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Solution

The third proportional to 15,846 and 22,290 is: 31,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,846 : 22,290 = 22,290 : x
  2. Step 2: Convert to fraction form
    15,846/22,290 = 22,290/x
  3. Step 3: Cross multiply
    15,846x = 22,290 × 22,290
  4. Step 4: Simplify right side
    15,846x = 496,844,100
  5. Step 5: Solve for x
    x = 496,844,100/15,846
  6. Step 6: Final answer
    x = 31,354.54

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.