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Finding the Third Proportional to 5,494,708.69 and 8,077,429.97

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Solution

The third proportional to 5,494,708.69 and 8,077,429.97 is: 11,874,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,494,708.69 : 8,077,429.97 = 8,077,429.97 : x
  2. Step 2: Convert to fraction form
    5,494,708.69/8,077,429.97 = 8,077,429.97/x
  3. Step 3: Cross multiply
    5,494,708.69x = 8,077,429.97 × 8,077,429.97
  4. Step 4: Simplify right side
    5,494,708.69x = 65,244,874,900,060.62
  5. Step 5: Solve for x
    x = 65,244,874,900,060.62/5,494,708.69
  6. Step 6: Final answer
    x = 11,874,128.11

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.