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Finding the Third Proportional to 787,623.75 and 1,727,790.75

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Solution

The third proportional to 787,623.75 and 1,727,790.75 is: 3,790,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,623.75 : 1,727,790.75 = 1,727,790.75 : x
  2. Step 2: Convert to fraction form
    787,623.75/1,727,790.75 = 1,727,790.75/x
  3. Step 3: Cross multiply
    787,623.75x = 1,727,790.75 × 1,727,790.75
  4. Step 4: Simplify right side
    787,623.75x = 2,985,260,875,785.56
  5. Step 5: Solve for x
    x = 2,985,260,875,785.56/787,623.75
  6. Step 6: Final answer
    x = 3,790,211.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.