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Finding the Third Proportional to 3,408,109.50 and 7,347,660

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Solution

The third proportional to 3,408,109.50 and 7,347,660 is: 15,841,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,109.50 : 7,347,660 = 7,347,660 : x
  2. Step 2: Convert to fraction form
    3,408,109.50/7,347,660 = 7,347,660/x
  3. Step 3: Cross multiply
    3,408,109.50x = 7,347,660 × 7,347,660
  4. Step 4: Simplify right side
    3,408,109.50x = 53,988,107,475,600
  5. Step 5: Solve for x
    x = 53,988,107,475,600/3,408,109.50
  6. Step 6: Final answer
    x = 15,841,071.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.