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Finding the Third Proportional to 87,965 and 136,263

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Solution

The third proportional to 87,965 and 136,263 is: 211,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,965 : 136,263 = 136,263 : x
  2. Step 2: Convert to fraction form
    87,965/136,263 = 136,263/x
  3. Step 3: Cross multiply
    87,965x = 136,263 × 136,263
  4. Step 4: Simplify right side
    87,965x = 18,567,605,169
  5. Step 5: Solve for x
    x = 18,567,605,169/87,965
  6. Step 6: Final answer
    x = 211,079.47

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.