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Finding the Third Proportional to 33,489 and 45,479.25

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Solution

The third proportional to 33,489 and 45,479.25 is: 61,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,489 : 45,479.25 = 45,479.25 : x
  2. Step 2: Convert to fraction form
    33,489/45,479.25 = 45,479.25/x
  3. Step 3: Cross multiply
    33,489x = 45,479.25 × 45,479.25
  4. Step 4: Simplify right side
    33,489x = 2,068,362,180.56
  5. Step 5: Solve for x
    x = 2,068,362,180.56/33,489
  6. Step 6: Final answer
    x = 61,762.43

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.