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Finding the Third Proportional to 2,587,215.38 and 5,627,443.22

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Solution

The third proportional to 2,587,215.38 and 5,627,443.22 is: 12,240,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,215.38 : 5,627,443.22 = 5,627,443.22 : x
  2. Step 2: Convert to fraction form
    2,587,215.38/5,627,443.22 = 5,627,443.22/x
  3. Step 3: Cross multiply
    2,587,215.38x = 5,627,443.22 × 5,627,443.22
  4. Step 4: Simplify right side
    2,587,215.38x = 31,668,117,180,255.36
  5. Step 5: Solve for x
    x = 31,668,117,180,255.36/2,587,215.38
  6. Step 6: Final answer
    x = 12,240,232.29

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.