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Finding the Third Proportional to 5,624,128.69 and 8,399,337.19

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Solution

The third proportional to 5,624,128.69 and 8,399,337.19 is: 12,543,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624,128.69 : 8,399,337.19 = 8,399,337.19 : x
  2. Step 2: Convert to fraction form
    5,624,128.69/8,399,337.19 = 8,399,337.19/x
  3. Step 3: Cross multiply
    5,624,128.69x = 8,399,337.19 × 8,399,337.19
  4. Step 4: Simplify right side
    5,624,128.69x = 70,548,865,189,320.41
  5. Step 5: Solve for x
    x = 70,548,865,189,320.41/5,624,128.69
  6. Step 6: Final answer
    x = 12,543,963.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.