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Finding the Third Proportional to 2,878.50 and 6,334.50

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Solution

The third proportional to 2,878.50 and 6,334.50 is: 13,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.50 : 6,334.50 = 6,334.50 : x
  2. Step 2: Convert to fraction form
    2,878.50/6,334.50 = 6,334.50/x
  3. Step 3: Cross multiply
    2,878.50x = 6,334.50 × 6,334.50
  4. Step 4: Simplify right side
    2,878.50x = 40,125,890.25
  5. Step 5: Solve for x
    x = 40,125,890.25/2,878.50
  6. Step 6: Final answer
    x = 13,939.86

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.