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Finding the Third Proportional to 3,175,195.50 and 6,859,689

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Solution

The third proportional to 3,175,195.50 and 6,859,689 is: 14,819,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,195.50 : 6,859,689 = 6,859,689 : x
  2. Step 2: Convert to fraction form
    3,175,195.50/6,859,689 = 6,859,689/x
  3. Step 3: Cross multiply
    3,175,195.50x = 6,859,689 × 6,859,689
  4. Step 4: Simplify right side
    3,175,195.50x = 47,055,333,176,721
  5. Step 5: Solve for x
    x = 47,055,333,176,721/3,175,195.50
  6. Step 6: Final answer
    x = 14,819,664.86

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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.