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Finding the Third Proportional to 65,647 and 140,635

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Solution

The third proportional to 65,647 and 140,635 is: 301,281.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,647 : 140,635 = 140,635 : x
  2. Step 2: Convert to fraction form
    65,647/140,635 = 140,635/x
  3. Step 3: Cross multiply
    65,647x = 140,635 × 140,635
  4. Step 4: Simplify right side
    65,647x = 19,778,203,225
  5. Step 5: Solve for x
    x = 19,778,203,225/65,647
  6. Step 6: Final answer
    x = 301,281.14

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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.