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Finding the Third Proportional to 21,287 and 32,226

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Solution

The third proportional to 21,287 and 32,226 is: 48,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,287 : 32,226 = 32,226 : x
  2. Step 2: Convert to fraction form
    21,287/32,226 = 32,226/x
  3. Step 3: Cross multiply
    21,287x = 32,226 × 32,226
  4. Step 4: Simplify right side
    21,287x = 1,038,515,076
  5. Step 5: Solve for x
    x = 1,038,515,076/21,287
  6. Step 6: Final answer
    x = 48,786.35

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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.