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Finding the Third Proportional to 3,257,172.75 and 7,156,776.75

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Solution

The third proportional to 3,257,172.75 and 7,156,776.75 is: 15,725,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257,172.75 : 7,156,776.75 = 7,156,776.75 : x
  2. Step 2: Convert to fraction form
    3,257,172.75/7,156,776.75 = 7,156,776.75/x
  3. Step 3: Cross multiply
    3,257,172.75x = 7,156,776.75 × 7,156,776.75
  4. Step 4: Simplify right side
    3,257,172.75x = 51,219,453,449,340.56
  5. Step 5: Solve for x
    x = 51,219,453,449,340.56/3,257,172.75
  6. Step 6: Final answer
    x = 15,725,126.48

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.