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Finding the Third Proportional to 18,451 and 27,646

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Solution

The third proportional to 18,451 and 27,646 is: 41,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451 : 27,646 = 27,646 : x
  2. Step 2: Convert to fraction form
    18,451/27,646 = 27,646/x
  3. Step 3: Cross multiply
    18,451x = 27,646 × 27,646
  4. Step 4: Simplify right side
    18,451x = 764,301,316
  5. Step 5: Solve for x
    x = 764,301,316/18,451
  6. Step 6: Final answer
    x = 41,423.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.