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Finding the Third Proportional to 131,007 and 280,690

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Solution

The third proportional to 131,007 and 280,690 is: 601,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,007 : 280,690 = 280,690 : x
  2. Step 2: Convert to fraction form
    131,007/280,690 = 280,690/x
  3. Step 3: Cross multiply
    131,007x = 280,690 × 280,690
  4. Step 4: Simplify right side
    131,007x = 78,786,876,100
  5. Step 5: Solve for x
    x = 78,786,876,100/131,007
  6. Step 6: Final answer
    x = 601,394.40

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.