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Finding the Third Proportional to 137,440 and 298,204

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Solution

The third proportional to 137,440 and 298,204 is: 647,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,440 : 298,204 = 298,204 : x
  2. Step 2: Convert to fraction form
    137,440/298,204 = 298,204/x
  3. Step 3: Cross multiply
    137,440x = 298,204 × 298,204
  4. Step 4: Simplify right side
    137,440x = 88,925,625,616
  5. Step 5: Solve for x
    x = 88,925,625,616/137,440
  6. Step 6: Final answer
    x = 647,014.16

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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.