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Finding the Third Proportional to 43,362 and 65,385

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Solution

The third proportional to 43,362 and 65,385 is: 98,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,362 : 65,385 = 65,385 : x
  2. Step 2: Convert to fraction form
    43,362/65,385 = 65,385/x
  3. Step 3: Cross multiply
    43,362x = 65,385 × 65,385
  4. Step 4: Simplify right side
    43,362x = 4,275,198,225
  5. Step 5: Solve for x
    x = 4,275,198,225/43,362
  6. Step 6: Final answer
    x = 98,593.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.