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Finding the Third Proportional to 18,256.50 and 27,726

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Solution

The third proportional to 18,256.50 and 27,726 is: 42,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.50 : 27,726 = 27,726 : x
  2. Step 2: Convert to fraction form
    18,256.50/27,726 = 27,726/x
  3. Step 3: Cross multiply
    18,256.50x = 27,726 × 27,726
  4. Step 4: Simplify right side
    18,256.50x = 768,731,076
  5. Step 5: Solve for x
    x = 768,731,076/18,256.50
  6. Step 6: Final answer
    x = 42,107.25

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.