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Finding the Third Proportional to 120,804 and 261,768

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Solution

The third proportional to 120,804 and 261,768 is: 567,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,804 : 261,768 = 261,768 : x
  2. Step 2: Convert to fraction form
    120,804/261,768 = 261,768/x
  3. Step 3: Cross multiply
    120,804x = 261,768 × 261,768
  4. Step 4: Simplify right side
    120,804x = 68,522,485,824
  5. Step 5: Solve for x
    x = 68,522,485,824/120,804
  6. Step 6: Final answer
    x = 567,220.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.