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Finding the Third Proportional to 3,773,128.50 and 8,143,785

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Solution

The third proportional to 3,773,128.50 and 8,143,785 is: 17,577,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773,128.50 : 8,143,785 = 8,143,785 : x
  2. Step 2: Convert to fraction form
    3,773,128.50/8,143,785 = 8,143,785/x
  3. Step 3: Cross multiply
    3,773,128.50x = 8,143,785 × 8,143,785
  4. Step 4: Simplify right side
    3,773,128.50x = 66,321,234,126,225
  5. Step 5: Solve for x
    x = 66,321,234,126,225/3,773,128.50
  6. Step 6: Final answer
    x = 17,577,252.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.