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Finding the Third Proportional to 18,172 and 24,726

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Solution

The third proportional to 18,172 and 24,726 is: 33,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172 : 24,726 = 24,726 : x
  2. Step 2: Convert to fraction form
    18,172/24,726 = 24,726/x
  3. Step 3: Cross multiply
    18,172x = 24,726 × 24,726
  4. Step 4: Simplify right side
    18,172x = 611,375,076
  5. Step 5: Solve for x
    x = 611,375,076/18,172
  6. Step 6: Final answer
    x = 33,643.80

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.