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Finding the Third Proportional to 19,865 and 27,367

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Solution

The third proportional to 19,865 and 27,367 is: 37,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865 : 27,367 = 27,367 : x
  2. Step 2: Convert to fraction form
    19,865/27,367 = 27,367/x
  3. Step 3: Cross multiply
    19,865x = 27,367 × 27,367
  4. Step 4: Simplify right side
    19,865x = 748,952,689
  5. Step 5: Solve for x
    x = 748,952,689/19,865
  6. Step 6: Final answer
    x = 37,702.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.