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Finding the Third Proportional to 133,767 and 289,044

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Solution

The third proportional to 133,767 and 289,044 is: 624,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,767 : 289,044 = 289,044 : x
  2. Step 2: Convert to fraction form
    133,767/289,044 = 289,044/x
  3. Step 3: Cross multiply
    133,767x = 289,044 × 289,044
  4. Step 4: Simplify right side
    133,767x = 83,546,433,936
  5. Step 5: Solve for x
    x = 83,546,433,936/133,767
  6. Step 6: Final answer
    x = 624,566.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.