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Finding the Third Proportional to 3,859,651.69 and 8,391,601.69

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Solution

The third proportional to 3,859,651.69 and 8,391,601.69 is: 18,244,905.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859,651.69 : 8,391,601.69 = 8,391,601.69 : x
  2. Step 2: Convert to fraction form
    3,859,651.69/8,391,601.69 = 8,391,601.69/x
  3. Step 3: Cross multiply
    3,859,651.69x = 8,391,601.69 × 8,391,601.69
  4. Step 4: Simplify right side
    3,859,651.69x = 70,418,978,881,652.84
  5. Step 5: Solve for x
    x = 70,418,978,881,652.84/3,859,651.69
  6. Step 6: Final answer
    x = 18,244,905.13

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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.