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Finding the Third Proportional to 133,480 and 199,824

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Solution

The third proportional to 133,480 and 199,824 is: 299,143.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,480 : 199,824 = 199,824 : x
  2. Step 2: Convert to fraction form
    133,480/199,824 = 199,824/x
  3. Step 3: Cross multiply
    133,480x = 199,824 × 199,824
  4. Step 4: Simplify right side
    133,480x = 39,929,630,976
  5. Step 5: Solve for x
    x = 39,929,630,976/133,480
  6. Step 6: Final answer
    x = 299,143.17

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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.