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Finding the Third Proportional to 4,147,969.50 and 8,627,031

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Solution

The third proportional to 4,147,969.50 and 8,627,031 is: 17,942,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147,969.50 : 8,627,031 = 8,627,031 : x
  2. Step 2: Convert to fraction form
    4,147,969.50/8,627,031 = 8,627,031/x
  3. Step 3: Cross multiply
    4,147,969.50x = 8,627,031 × 8,627,031
  4. Step 4: Simplify right side
    4,147,969.50x = 74,425,663,874,961
  5. Step 5: Solve for x
    x = 74,425,663,874,961/4,147,969.50
  6. Step 6: Final answer
    x = 17,942,673.85

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.