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Finding the Third Proportional to 43,650 and 69,231

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Solution

The third proportional to 43,650 and 69,231 is: 109,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,650 : 69,231 = 69,231 : x
  2. Step 2: Convert to fraction form
    43,650/69,231 = 69,231/x
  3. Step 3: Cross multiply
    43,650x = 69,231 × 69,231
  4. Step 4: Simplify right side
    43,650x = 4,792,931,361
  5. Step 5: Solve for x
    x = 4,792,931,361/43,650
  6. Step 6: Final answer
    x = 109,803.70

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.