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Finding the Third Proportional to 19,087 and 27,799

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Solution

The third proportional to 19,087 and 27,799 is: 40,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087 : 27,799 = 27,799 : x
  2. Step 2: Convert to fraction form
    19,087/27,799 = 27,799/x
  3. Step 3: Cross multiply
    19,087x = 27,799 × 27,799
  4. Step 4: Simplify right side
    19,087x = 772,784,401
  5. Step 5: Solve for x
    x = 772,784,401/19,087
  6. Step 6: Final answer
    x = 40,487.47

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.