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Finding the Third Proportional to 7,579.88 and 15,535.50

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Solution

The third proportional to 7,579.88 and 15,535.50 is: 31,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.88 : 15,535.50 = 15,535.50 : x
  2. Step 2: Convert to fraction form
    7,579.88/15,535.50 = 15,535.50/x
  3. Step 3: Cross multiply
    7,579.88x = 15,535.50 × 15,535.50
  4. Step 4: Simplify right side
    7,579.88x = 241,351,760.25
  5. Step 5: Solve for x
    x = 241,351,760.25/7,579.88
  6. Step 6: Final answer
    x = 31,841.13

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.