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Finding the Third Proportional to 105,891 and 232,518

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Solution

The third proportional to 105,891 and 232,518 is: 510,568.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,891 : 232,518 = 232,518 : x
  2. Step 2: Convert to fraction form
    105,891/232,518 = 232,518/x
  3. Step 3: Cross multiply
    105,891x = 232,518 × 232,518
  4. Step 4: Simplify right side
    105,891x = 54,064,620,324
  5. Step 5: Solve for x
    x = 54,064,620,324/105,891
  6. Step 6: Final answer
    x = 510,568.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.