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Finding the Third Proportional to 1,521,469.50 and 3,212,706

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Solution

The third proportional to 1,521,469.50 and 3,212,706 is: 6,783,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,469.50 : 3,212,706 = 3,212,706 : x
  2. Step 2: Convert to fraction form
    1,521,469.50/3,212,706 = 3,212,706/x
  3. Step 3: Cross multiply
    1,521,469.50x = 3,212,706 × 3,212,706
  4. Step 4: Simplify right side
    1,521,469.50x = 10,321,479,842,436
  5. Step 5: Solve for x
    x = 10,321,479,842,436/1,521,469.50
  6. Step 6: Final answer
    x = 6,783,888.76

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.