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Finding the Third Proportional to 986,467.50 and 2,119,789.13

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Solution

The third proportional to 986,467.50 and 2,119,789.13 is: 4,555,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,467.50 : 2,119,789.13 = 2,119,789.13 : x
  2. Step 2: Convert to fraction form
    986,467.50/2,119,789.13 = 2,119,789.13/x
  3. Step 3: Cross multiply
    986,467.50x = 2,119,789.13 × 2,119,789.13
  4. Step 4: Simplify right side
    986,467.50x = 4,493,505,934,468.27
  5. Step 5: Solve for x
    x = 4,493,505,934,468.27/986,467.50
  6. Step 6: Final answer
    x = 4,555,148.48

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.