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Finding the Third Proportional to 787,311.56 and 1,607,839.88

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Solution

The third proportional to 787,311.56 and 1,607,839.88 is: 3,283,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,311.56 : 1,607,839.88 = 1,607,839.88 : x
  2. Step 2: Convert to fraction form
    787,311.56/1,607,839.88 = 1,607,839.88/x
  3. Step 3: Cross multiply
    787,311.56x = 1,607,839.88 × 1,607,839.88
  4. Step 4: Simplify right side
    787,311.56x = 2,585,149,063,640.02
  5. Step 5: Solve for x
    x = 2,585,149,063,640.02/787,311.56
  6. Step 6: Final answer
    x = 3,283,514.67

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.