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Finding the Third Proportional to 6,239.50 and 13,653

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Solution

The third proportional to 6,239.50 and 13,653 is: 29,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.50 : 13,653 = 13,653 : x
  2. Step 2: Convert to fraction form
    6,239.50/13,653 = 13,653/x
  3. Step 3: Cross multiply
    6,239.50x = 13,653 × 13,653
  4. Step 4: Simplify right side
    6,239.50x = 186,404,409
  5. Step 5: Solve for x
    x = 186,404,409/6,239.50
  6. Step 6: Final answer
    x = 29,874.90

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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.