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Finding the Third Proportional to 20,384 and 27,248

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Solution

The third proportional to 20,384 and 27,248 is: 36,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,384 : 27,248 = 27,248 : x
  2. Step 2: Convert to fraction form
    20,384/27,248 = 27,248/x
  3. Step 3: Cross multiply
    20,384x = 27,248 × 27,248
  4. Step 4: Simplify right side
    20,384x = 742,453,504
  5. Step 5: Solve for x
    x = 742,453,504/20,384
  6. Step 6: Final answer
    x = 36,423.35

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.