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Finding the Third Proportional to 2,803.50 and 6,873.75

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Solution

The third proportional to 2,803.50 and 6,873.75 is: 16,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.50 : 6,873.75 = 6,873.75 : x
  2. Step 2: Convert to fraction form
    2,803.50/6,873.75 = 6,873.75/x
  3. Step 3: Cross multiply
    2,803.50x = 6,873.75 × 6,873.75
  4. Step 4: Simplify right side
    2,803.50x = 47,248,439.06
  5. Step 5: Solve for x
    x = 47,248,439.06/2,803.50
  6. Step 6: Final answer
    x = 16,853.38

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Why These Related Problems?

These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.