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Finding the Third Proportional to 120,968 and 247,120

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Solution

The third proportional to 120,968 and 247,120 is: 504,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,968 : 247,120 = 247,120 : x
  2. Step 2: Convert to fraction form
    120,968/247,120 = 247,120/x
  3. Step 3: Cross multiply
    120,968x = 247,120 × 247,120
  4. Step 4: Simplify right side
    120,968x = 61,068,294,400
  5. Step 5: Solve for x
    x = 61,068,294,400/120,968
  6. Step 6: Final answer
    x = 504,830.16

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.