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Finding the Third Proportional to 120,755 and 264,838

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Solution

The third proportional to 120,755 and 264,838 is: 580,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,755 : 264,838 = 264,838 : x
  2. Step 2: Convert to fraction form
    120,755/264,838 = 264,838/x
  3. Step 3: Cross multiply
    120,755x = 264,838 × 264,838
  4. Step 4: Simplify right side
    120,755x = 70,139,166,244
  5. Step 5: Solve for x
    x = 70,139,166,244/120,755
  6. Step 6: Final answer
    x = 580,838.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.