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Finding the Third Proportional to 1,516,727.25 and 3,220,443

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Solution

The third proportional to 1,516,727.25 and 3,220,443 is: 6,837,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,727.25 : 3,220,443 = 3,220,443 : x
  2. Step 2: Convert to fraction form
    1,516,727.25/3,220,443 = 3,220,443/x
  3. Step 3: Cross multiply
    1,516,727.25x = 3,220,443 × 3,220,443
  4. Step 4: Simplify right side
    1,516,727.25x = 10,371,253,116,249
  5. Step 5: Solve for x
    x = 10,371,253,116,249/1,516,727.25
  6. Step 6: Final answer
    x = 6,837,915.73

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.