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Finding the Third Proportional to 4,986,991.50 and 7,581,042

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Solution

The third proportional to 4,986,991.50 and 7,581,042 is: 11,524,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986,991.50 : 7,581,042 = 7,581,042 : x
  2. Step 2: Convert to fraction form
    4,986,991.50/7,581,042 = 7,581,042/x
  3. Step 3: Cross multiply
    4,986,991.50x = 7,581,042 × 7,581,042
  4. Step 4: Simplify right side
    4,986,991.50x = 57,472,197,805,764
  5. Step 5: Solve for x
    x = 57,472,197,805,764/4,986,991.50
  6. Step 6: Final answer
    x = 11,524,422.65

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.