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Finding the Third Proportional to 180,603 and 268,299

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Solution

The third proportional to 180,603 and 268,299 is: 398,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,603 : 268,299 = 268,299 : x
  2. Step 2: Convert to fraction form
    180,603/268,299 = 268,299/x
  3. Step 3: Cross multiply
    180,603x = 268,299 × 268,299
  4. Step 4: Simplify right side
    180,603x = 71,984,353,401
  5. Step 5: Solve for x
    x = 71,984,353,401/180,603
  6. Step 6: Final answer
    x = 398,577.84

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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.