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Finding the Third Proportional to 4,112,454.38 and 8,910,651.38

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Solution

The third proportional to 4,112,454.38 and 8,910,651.38 is: 19,307,134.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112,454.38 : 8,910,651.38 = 8,910,651.38 : x
  2. Step 2: Convert to fraction form
    4,112,454.38/8,910,651.38 = 8,910,651.38/x
  3. Step 3: Cross multiply
    4,112,454.38x = 8,910,651.38 × 8,910,651.38
  4. Step 4: Simplify right side
    4,112,454.38x = 79,399,707,926,789.39
  5. Step 5: Solve for x
    x = 79,399,707,926,789.39/4,112,454.38
  6. Step 6: Final answer
    x = 19,307,134.06

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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.