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Finding the Third Proportional to 118,908 and 158,517

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Solution

The third proportional to 118,908 and 158,517 is: 211,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,908 : 158,517 = 158,517 : x
  2. Step 2: Convert to fraction form
    118,908/158,517 = 158,517/x
  3. Step 3: Cross multiply
    118,908x = 158,517 × 158,517
  4. Step 4: Simplify right side
    118,908x = 25,127,639,289
  5. Step 5: Solve for x
    x = 25,127,639,289/118,908
  6. Step 6: Final answer
    x = 211,320.01

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.