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Finding the Third Proportional to 43,896 and 66,226

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Solution

The third proportional to 43,896 and 66,226 is: 99,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,896 : 66,226 = 66,226 : x
  2. Step 2: Convert to fraction form
    43,896/66,226 = 66,226/x
  3. Step 3: Cross multiply
    43,896x = 66,226 × 66,226
  4. Step 4: Simplify right side
    43,896x = 4,385,883,076
  5. Step 5: Solve for x
    x = 4,385,883,076/43,896
  6. Step 6: Final answer
    x = 99,915.32

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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.