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Finding the Third Proportional to 81,738 and 110,943

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Solution

The third proportional to 81,738 and 110,943 is: 150,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,738 : 110,943 = 110,943 : x
  2. Step 2: Convert to fraction form
    81,738/110,943 = 110,943/x
  3. Step 3: Cross multiply
    81,738x = 110,943 × 110,943
  4. Step 4: Simplify right side
    81,738x = 12,308,349,249
  5. Step 5: Solve for x
    x = 12,308,349,249/81,738
  6. Step 6: Final answer
    x = 150,582.95

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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.