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Finding the Third Proportional to 5,022 and 7,803.84

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Solution

The third proportional to 5,022 and 7,803.84 is: 12,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022 : 7,803.84 = 7,803.84 : x
  2. Step 2: Convert to fraction form
    5,022/7,803.84 = 7,803.84/x
  3. Step 3: Cross multiply
    5,022x = 7,803.84 × 7,803.84
  4. Step 4: Simplify right side
    5,022x = 60,899,977.27
  5. Step 5: Solve for x
    x = 60,899,977.27/5,022
  6. Step 6: Final answer
    x = 12,126.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.