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Finding the Third Proportional to 865,161.40 and 1,863,439.33

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Solution

The third proportional to 865,161.40 and 1,863,439.33 is: 4,013,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,161.40 : 1,863,439.33 = 1,863,439.33 : x
  2. Step 2: Convert to fraction form
    865,161.40/1,863,439.33 = 1,863,439.33/x
  3. Step 3: Cross multiply
    865,161.40x = 1,863,439.33 × 1,863,439.33
  4. Step 4: Simplify right side
    865,161.40x = 3,472,406,136,881.92
  5. Step 5: Solve for x
    x = 3,472,406,136,881.92/865,161.40
  6. Step 6: Final answer
    x = 4,013,593.48

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.