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Finding the Third Proportional to 67,302 and 145,749

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Solution

The third proportional to 67,302 and 145,749 is: 315,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,302 : 145,749 = 145,749 : x
  2. Step 2: Convert to fraction form
    67,302/145,749 = 145,749/x
  3. Step 3: Cross multiply
    67,302x = 145,749 × 145,749
  4. Step 4: Simplify right side
    67,302x = 21,242,771,001
  5. Step 5: Solve for x
    x = 21,242,771,001/67,302
  6. Step 6: Final answer
    x = 315,633.58

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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.