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Finding the Third Proportional to 1,386,170.72 and 3,033,649.41

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Solution

The third proportional to 1,386,170.72 and 3,033,649.41 is: 6,639,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,170.72 : 3,033,649.41 = 3,033,649.41 : x
  2. Step 2: Convert to fraction form
    1,386,170.72/3,033,649.41 = 3,033,649.41/x
  3. Step 3: Cross multiply
    1,386,170.72x = 3,033,649.41 × 3,033,649.41
  4. Step 4: Simplify right side
    1,386,170.72x = 9,203,028,720,040.98
  5. Step 5: Solve for x
    x = 9,203,028,720,040.98/1,386,170.72
  6. Step 6: Final answer
    x = 6,639,174.09

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.