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Finding the Third Proportional to 69,584 and 99,474

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Solution

The third proportional to 69,584 and 99,474 is: 142,203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,584 : 99,474 = 99,474 : x
  2. Step 2: Convert to fraction form
    69,584/99,474 = 99,474/x
  3. Step 3: Cross multiply
    69,584x = 99,474 × 99,474
  4. Step 4: Simplify right side
    69,584x = 9,895,076,676
  5. Step 5: Solve for x
    x = 9,895,076,676/69,584
  6. Step 6: Final answer
    x = 142,203.33

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.