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Finding the Third Proportional to 858,498.75 and 1,787,653.13

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Solution

The third proportional to 858,498.75 and 1,787,653.13 is: 3,722,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,498.75 : 1,787,653.13 = 1,787,653.13 : x
  2. Step 2: Convert to fraction form
    858,498.75/1,787,653.13 = 1,787,653.13/x
  3. Step 3: Cross multiply
    858,498.75x = 1,787,653.13 × 1,787,653.13
  4. Step 4: Simplify right side
    858,498.75x = 3,195,703,695,322.27
  5. Step 5: Solve for x
    x = 3,195,703,695,322.27/858,498.75
  6. Step 6: Final answer
    x = 3,722,432.55

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.