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Finding the Third Proportional to 8,993.25 and 18,423

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Solution

The third proportional to 8,993.25 and 18,423 is: 37,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.25 : 18,423 = 18,423 : x
  2. Step 2: Convert to fraction form
    8,993.25/18,423 = 18,423/x
  3. Step 3: Cross multiply
    8,993.25x = 18,423 × 18,423
  4. Step 4: Simplify right side
    8,993.25x = 339,406,929
  5. Step 5: Solve for x
    x = 339,406,929/8,993.25
  6. Step 6: Final answer
    x = 37,740.19

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.