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Finding the Third Proportional to 109,346 and 163,449

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Solution

The third proportional to 109,346 and 163,449 is: 244,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,346 : 163,449 = 163,449 : x
  2. Step 2: Convert to fraction form
    109,346/163,449 = 163,449/x
  3. Step 3: Cross multiply
    109,346x = 163,449 × 163,449
  4. Step 4: Simplify right side
    109,346x = 26,715,575,601
  5. Step 5: Solve for x
    x = 26,715,575,601/109,346
  6. Step 6: Final answer
    x = 244,321.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.