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Finding the Third Proportional to 2,215,810.69 and 4,819,859.44

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Solution

The third proportional to 2,215,810.69 and 4,819,859.44 is: 10,484,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,810.69 : 4,819,859.44 = 4,819,859.44 : x
  2. Step 2: Convert to fraction form
    2,215,810.69/4,819,859.44 = 4,819,859.44/x
  3. Step 3: Cross multiply
    2,215,810.69x = 4,819,859.44 × 4,819,859.44
  4. Step 4: Simplify right side
    2,215,810.69x = 23,231,044,997,257.82
  5. Step 5: Solve for x
    x = 23,231,044,997,257.82/2,215,810.69
  6. Step 6: Final answer
    x = 10,484,219.22

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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.