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Finding the Third Proportional to 3,138,555.75 and 6,653,802

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Solution

The third proportional to 3,138,555.75 and 6,653,802 is: 14,106,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,555.75 : 6,653,802 = 6,653,802 : x
  2. Step 2: Convert to fraction form
    3,138,555.75/6,653,802 = 6,653,802/x
  3. Step 3: Cross multiply
    3,138,555.75x = 6,653,802 × 6,653,802
  4. Step 4: Simplify right side
    3,138,555.75x = 44,273,081,055,204
  5. Step 5: Solve for x
    x = 44,273,081,055,204/3,138,555.75
  6. Step 6: Final answer
    x = 14,106,195.52

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.