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Finding the Third Proportional to 20,895 and 32,391

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Solution

The third proportional to 20,895 and 32,391 is: 50,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895 : 32,391 = 32,391 : x
  2. Step 2: Convert to fraction form
    20,895/32,391 = 32,391/x
  3. Step 3: Cross multiply
    20,895x = 32,391 × 32,391
  4. Step 4: Simplify right side
    20,895x = 1,049,176,881
  5. Step 5: Solve for x
    x = 1,049,176,881/20,895
  6. Step 6: Final answer
    x = 50,211.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.