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Finding the Third Proportional to 7,184 and 12,104

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Solution

The third proportional to 7,184 and 12,104 is: 20,393.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184 : 12,104 = 12,104 : x
  2. Step 2: Convert to fraction form
    7,184/12,104 = 12,104/x
  3. Step 3: Cross multiply
    7,184x = 12,104 × 12,104
  4. Step 4: Simplify right side
    7,184x = 146,506,816
  5. Step 5: Solve for x
    x = 146,506,816/7,184
  6. Step 6: Final answer
    x = 20,393.49

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.