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Finding the Third Proportional to 85,885 and 183,185

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Solution

The third proportional to 85,885 and 183,185 is: 390,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,885 : 183,185 = 183,185 : x
  2. Step 2: Convert to fraction form
    85,885/183,185 = 183,185/x
  3. Step 3: Cross multiply
    85,885x = 183,185 × 183,185
  4. Step 4: Simplify right side
    85,885x = 33,556,744,225
  5. Step 5: Solve for x
    x = 33,556,744,225/85,885
  6. Step 6: Final answer
    x = 390,717.17

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.