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Finding the Third Proportional to 27,726 and 38,803

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Solution

The third proportional to 27,726 and 38,803 is: 54,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,726 : 38,803 = 38,803 : x
  2. Step 2: Convert to fraction form
    27,726/38,803 = 38,803/x
  3. Step 3: Cross multiply
    27,726x = 38,803 × 38,803
  4. Step 4: Simplify right side
    27,726x = 1,505,672,809
  5. Step 5: Solve for x
    x = 1,505,672,809/27,726
  6. Step 6: Final answer
    x = 54,305.45

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.