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Finding the Third Proportional to 4,062 and 8,858.50

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Solution

The third proportional to 4,062 and 8,858.50 is: 19,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,062 : 8,858.50 = 8,858.50 : x
  2. Step 2: Convert to fraction form
    4,062/8,858.50 = 8,858.50/x
  3. Step 3: Cross multiply
    4,062x = 8,858.50 × 8,858.50
  4. Step 4: Simplify right side
    4,062x = 78,473,022.25
  5. Step 5: Solve for x
    x = 78,473,022.25/4,062
  6. Step 6: Final answer
    x = 19,318.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.