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Finding the Third Proportional to 6,855 and 15,019.50

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Solution

The third proportional to 6,855 and 15,019.50 is: 32,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855 : 15,019.50 = 15,019.50 : x
  2. Step 2: Convert to fraction form
    6,855/15,019.50 = 15,019.50/x
  3. Step 3: Cross multiply
    6,855x = 15,019.50 × 15,019.50
  4. Step 4: Simplify right side
    6,855x = 225,585,380.25
  5. Step 5: Solve for x
    x = 225,585,380.25/6,855
  6. Step 6: Final answer
    x = 32,908.15

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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.