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Finding the Third Proportional to 103,344 and 154,328

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Solution

The third proportional to 103,344 and 154,328 is: 230,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344 : 154,328 = 154,328 : x
  2. Step 2: Convert to fraction form
    103,344/154,328 = 154,328/x
  3. Step 3: Cross multiply
    103,344x = 154,328 × 154,328
  4. Step 4: Simplify right side
    103,344x = 23,817,131,584
  5. Step 5: Solve for x
    x = 23,817,131,584/103,344
  6. Step 6: Final answer
    x = 230,464.58

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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.