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Finding the Third Proportional to 103,122 and 154,620

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Solution

The third proportional to 103,122 and 154,620 is: 231,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,122 : 154,620 = 154,620 : x
  2. Step 2: Convert to fraction form
    103,122/154,620 = 154,620/x
  3. Step 3: Cross multiply
    103,122x = 154,620 × 154,620
  4. Step 4: Simplify right side
    103,122x = 23,907,344,400
  5. Step 5: Solve for x
    x = 23,907,344,400/103,122
  6. Step 6: Final answer
    x = 231,835.54

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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.