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Finding the Third Proportional to 7,698.38 and 14,937.75

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Solution

The third proportional to 7,698.38 and 14,937.75 is: 28,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.38 : 14,937.75 = 14,937.75 : x
  2. Step 2: Convert to fraction form
    7,698.38/14,937.75 = 14,937.75/x
  3. Step 3: Cross multiply
    7,698.38x = 14,937.75 × 14,937.75
  4. Step 4: Simplify right side
    7,698.38x = 223,136,375.06
  5. Step 5: Solve for x
    x = 223,136,375.06/7,698.38
  6. Step 6: Final answer
    x = 28,984.87

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Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.