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Finding the Third Proportional to 18,023,873.25 and 27,926,382.75

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Solution

The third proportional to 18,023,873.25 and 27,926,382.75 is: 43,269,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023,873.25 : 27,926,382.75 = 27,926,382.75 : x
  2. Step 2: Convert to fraction form
    18,023,873.25/27,926,382.75 = 27,926,382.75/x
  3. Step 3: Cross multiply
    18,023,873.25x = 27,926,382.75 × 27,926,382.75
  4. Step 4: Simplify right side
    18,023,873.25x = 779,882,853,499,497.50
  5. Step 5: Solve for x
    x = 779,882,853,499,497.50/18,023,873.25
  6. Step 6: Final answer
    x = 43,269,437.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.