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Finding the Third Proportional to 6,772.50 and 10,159

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Solution

The third proportional to 6,772.50 and 10,159 is: 15,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.50 : 10,159 = 10,159 : x
  2. Step 2: Convert to fraction form
    6,772.50/10,159 = 10,159/x
  3. Step 3: Cross multiply
    6,772.50x = 10,159 × 10,159
  4. Step 4: Simplify right side
    6,772.50x = 103,205,281
  5. Step 5: Solve for x
    x = 103,205,281/6,772.50
  6. Step 6: Final answer
    x = 15,238.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.