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Finding the Third Proportional to 2,981,194.88 and 6,434,508.38

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Solution

The third proportional to 2,981,194.88 and 6,434,508.38 is: 13,888,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,194.88 : 6,434,508.38 = 6,434,508.38 : x
  2. Step 2: Convert to fraction form
    2,981,194.88/6,434,508.38 = 6,434,508.38/x
  3. Step 3: Cross multiply
    2,981,194.88x = 6,434,508.38 × 6,434,508.38
  4. Step 4: Simplify right side
    2,981,194.88x = 41,402,898,027,945.14
  5. Step 5: Solve for x
    x = 41,402,898,027,945.14/2,981,194.88
  6. Step 6: Final answer
    x = 13,888,021.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.