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Finding the Third Proportional to 18,588 and 27,222

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Solution

The third proportional to 18,588 and 27,222 is: 39,866.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588 : 27,222 = 27,222 : x
  2. Step 2: Convert to fraction form
    18,588/27,222 = 27,222/x
  3. Step 3: Cross multiply
    18,588x = 27,222 × 27,222
  4. Step 4: Simplify right side
    18,588x = 741,037,284
  5. Step 5: Solve for x
    x = 741,037,284/18,588
  6. Step 6: Final answer
    x = 39,866.43

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.