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Finding the Third Proportional to 7,382,891.81 and 11,555,204.34

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Solution

The third proportional to 7,382,891.81 and 11,555,204.34 is: 18,085,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382,891.81 : 11,555,204.34 = 11,555,204.34 : x
  2. Step 2: Convert to fraction form
    7,382,891.81/11,555,204.34 = 11,555,204.34/x
  3. Step 3: Cross multiply
    7,382,891.81x = 11,555,204.34 × 11,555,204.34
  4. Step 4: Simplify right side
    7,382,891.81x = 133,522,747,425,818.88
  5. Step 5: Solve for x
    x = 133,522,747,425,818.88/7,382,891.81
  6. Step 6: Final answer
    x = 18,085,426.53

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.