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Finding the Third Proportional to 2,278,785.66 and 4,981,029.19

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Solution

The third proportional to 2,278,785.66 and 4,981,029.19 is: 10,887,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,785.66 : 4,981,029.19 = 4,981,029.19 : x
  2. Step 2: Convert to fraction form
    2,278,785.66/4,981,029.19 = 4,981,029.19/x
  3. Step 3: Cross multiply
    2,278,785.66x = 4,981,029.19 × 4,981,029.19
  4. Step 4: Simplify right side
    2,278,785.66x = 24,810,651,766,726.91
  5. Step 5: Solve for x
    x = 24,810,651,766,726.91/2,278,785.66
  6. Step 6: Final answer
    x = 10,887,663.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.