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Finding the Third Proportional to 1,382,286 and 2,163,721.50

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Solution

The third proportional to 1,382,286 and 2,163,721.50 is: 3,386,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,286 : 2,163,721.50 = 2,163,721.50 : x
  2. Step 2: Convert to fraction form
    1,382,286/2,163,721.50 = 2,163,721.50/x
  3. Step 3: Cross multiply
    1,382,286x = 2,163,721.50 × 2,163,721.50
  4. Step 4: Simplify right side
    1,382,286x = 4,681,690,729,562.25
  5. Step 5: Solve for x
    x = 4,681,690,729,562.25/1,382,286
  6. Step 6: Final answer
    x = 3,386,919.01

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.