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Finding the Third Proportional to 18,811,680.75 and 27,491,657.25

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Solution

The third proportional to 18,811,680.75 and 27,491,657.25 is: 40,176,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811,680.75 : 27,491,657.25 = 27,491,657.25 : x
  2. Step 2: Convert to fraction form
    18,811,680.75/27,491,657.25 = 27,491,657.25/x
  3. Step 3: Cross multiply
    18,811,680.75x = 27,491,657.25 × 27,491,657.25
  4. Step 4: Simplify right side
    18,811,680.75x = 755,791,218,351,477.50
  5. Step 5: Solve for x
    x = 755,791,218,351,477.50/18,811,680.75
  6. Step 6: Final answer
    x = 40,176,698.11

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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.