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Finding the Third Proportional to 19,863 and 27,364

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Solution

The third proportional to 19,863 and 27,364 is: 37,697.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863 : 27,364 = 27,364 : x
  2. Step 2: Convert to fraction form
    19,863/27,364 = 27,364/x
  3. Step 3: Cross multiply
    19,863x = 27,364 × 27,364
  4. Step 4: Simplify right side
    19,863x = 748,788,496
  5. Step 5: Solve for x
    x = 748,788,496/19,863
  6. Step 6: Final answer
    x = 37,697.65

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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.