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Finding the Third Proportional to 43,910 and 90,724

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Solution

The third proportional to 43,910 and 90,724 is: 187,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,910 : 90,724 = 90,724 : x
  2. Step 2: Convert to fraction form
    43,910/90,724 = 90,724/x
  3. Step 3: Cross multiply
    43,910x = 90,724 × 90,724
  4. Step 4: Simplify right side
    43,910x = 8,230,844,176
  5. Step 5: Solve for x
    x = 8,230,844,176/43,910
  6. Step 6: Final answer
    x = 187,448.06

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.