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Finding the Third Proportional to 86,270 and 187,727

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Solution

The third proportional to 86,270 and 187,727 is: 408,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,270 : 187,727 = 187,727 : x
  2. Step 2: Convert to fraction form
    86,270/187,727 = 187,727/x
  3. Step 3: Cross multiply
    86,270x = 187,727 × 187,727
  4. Step 4: Simplify right side
    86,270x = 35,241,426,529
  5. Step 5: Solve for x
    x = 35,241,426,529/86,270
  6. Step 6: Final answer
    x = 408,501.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.