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Finding the Third Proportional to 112,122 and 163,864

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Solution

The third proportional to 112,122 and 163,864 is: 239,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,122 : 163,864 = 163,864 : x
  2. Step 2: Convert to fraction form
    112,122/163,864 = 163,864/x
  3. Step 3: Cross multiply
    112,122x = 163,864 × 163,864
  4. Step 4: Simplify right side
    112,122x = 26,851,410,496
  5. Step 5: Solve for x
    x = 26,851,410,496/112,122
  6. Step 6: Final answer
    x = 239,483.87

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.