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Finding the Third Proportional to 30,404 and 65,350

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Solution

The third proportional to 30,404 and 65,350 is: 140,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,404 : 65,350 = 65,350 : x
  2. Step 2: Convert to fraction form
    30,404/65,350 = 65,350/x
  3. Step 3: Cross multiply
    30,404x = 65,350 × 65,350
  4. Step 4: Simplify right side
    30,404x = 4,270,622,500
  5. Step 5: Solve for x
    x = 4,270,622,500/30,404
  6. Step 6: Final answer
    x = 140,462.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.