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Finding the Third Proportional to 3,087 and 5,074.50

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Solution

The third proportional to 3,087 and 5,074.50 is: 8,341.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087 : 5,074.50 = 5,074.50 : x
  2. Step 2: Convert to fraction form
    3,087/5,074.50 = 5,074.50/x
  3. Step 3: Cross multiply
    3,087x = 5,074.50 × 5,074.50
  4. Step 4: Simplify right side
    3,087x = 25,750,550.25
  5. Step 5: Solve for x
    x = 25,750,550.25/3,087
  6. Step 6: Final answer
    x = 8,341.61

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.