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Finding the Third Proportional to 1,834,589.25 and 3,891,159

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Solution

The third proportional to 1,834,589.25 and 3,891,159 is: 8,253,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,589.25 : 3,891,159 = 3,891,159 : x
  2. Step 2: Convert to fraction form
    1,834,589.25/3,891,159 = 3,891,159/x
  3. Step 3: Cross multiply
    1,834,589.25x = 3,891,159 × 3,891,159
  4. Step 4: Simplify right side
    1,834,589.25x = 15,141,118,363,281
  5. Step 5: Solve for x
    x = 15,141,118,363,281/1,834,589.25
  6. Step 6: Final answer
    x = 8,253,138.06

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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.