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Finding the Third Proportional to 18,967.13 and 27,322.88

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Solution

The third proportional to 18,967.13 and 27,322.88 is: 39,359.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.13 : 27,322.88 = 27,322.88 : x
  2. Step 2: Convert to fraction form
    18,967.13/27,322.88 = 27,322.88/x
  3. Step 3: Cross multiply
    18,967.13x = 27,322.88 × 27,322.88
  4. Step 4: Simplify right side
    18,967.13x = 746,539,498.27
  5. Step 5: Solve for x
    x = 746,539,498.27/18,967.13
  6. Step 6: Final answer
    x = 39,359.66

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.