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Finding the Third Proportional to 8,821,951.31 and 19,109,516.63

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Solution

The third proportional to 8,821,951.31 and 19,109,516.63 is: 41,393,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821,951.31 : 19,109,516.63 = 19,109,516.63 : x
  2. Step 2: Convert to fraction form
    8,821,951.31/19,109,516.63 = 19,109,516.63/x
  3. Step 3: Cross multiply
    8,821,951.31x = 19,109,516.63 × 19,109,516.63
  4. Step 4: Simplify right side
    8,821,951.31x = 365,173,625,641,151.38
  5. Step 5: Solve for x
    x = 365,173,625,641,151.38/8,821,951.31
  6. Step 6: Final answer
    x = 41,393,747.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.