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Finding the Third Proportional to 109,946 and 164,631

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Solution

The third proportional to 109,946 and 164,631 is: 246,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,946 : 164,631 = 164,631 : x
  2. Step 2: Convert to fraction form
    109,946/164,631 = 164,631/x
  3. Step 3: Cross multiply
    109,946x = 164,631 × 164,631
  4. Step 4: Simplify right side
    109,946x = 27,103,366,161
  5. Step 5: Solve for x
    x = 27,103,366,161/109,946
  6. Step 6: Final answer
    x = 246,515.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.