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Finding the Third Proportional to 5,338,556.50 and 11,516,921

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Solution

The third proportional to 5,338,556.50 and 11,516,921 is: 24,845,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,556.50 : 11,516,921 = 11,516,921 : x
  2. Step 2: Convert to fraction form
    5,338,556.50/11,516,921 = 11,516,921/x
  3. Step 3: Cross multiply
    5,338,556.50x = 11,516,921 × 11,516,921
  4. Step 4: Simplify right side
    5,338,556.50x = 132,639,469,320,241
  5. Step 5: Solve for x
    x = 132,639,469,320,241/5,338,556.50
  6. Step 6: Final answer
    x = 24,845,568.15

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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.