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Finding the Third Proportional to 6,891.50 and 15,032

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Solution

The third proportional to 6,891.50 and 15,032 is: 32,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.50 : 15,032 = 15,032 : x
  2. Step 2: Convert to fraction form
    6,891.50/15,032 = 15,032/x
  3. Step 3: Cross multiply
    6,891.50x = 15,032 × 15,032
  4. Step 4: Simplify right side
    6,891.50x = 225,961,024
  5. Step 5: Solve for x
    x = 225,961,024/6,891.50
  6. Step 6: Final answer
    x = 32,788.37

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.