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Finding the Third Proportional to 3,354 and 7,169.81

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Solution

The third proportional to 3,354 and 7,169.81 is: 15,326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354 : 7,169.81 = 7,169.81 : x
  2. Step 2: Convert to fraction form
    3,354/7,169.81 = 7,169.81/x
  3. Step 3: Cross multiply
    3,354x = 7,169.81 × 7,169.81
  4. Step 4: Simplify right side
    3,354x = 51,406,211.29
  5. Step 5: Solve for x
    x = 51,406,211.29/3,354
  6. Step 6: Final answer
    x = 15,326.84

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.