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Finding the Third Proportional to 21,305 and 32,255

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Solution

The third proportional to 21,305 and 32,255 is: 48,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,305 : 32,255 = 32,255 : x
  2. Step 2: Convert to fraction form
    21,305/32,255 = 32,255/x
  3. Step 3: Cross multiply
    21,305x = 32,255 × 32,255
  4. Step 4: Simplify right side
    21,305x = 1,040,385,025
  5. Step 5: Solve for x
    x = 1,040,385,025/21,305
  6. Step 6: Final answer
    x = 48,832.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.