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Finding the Third Proportional to 45,554 and 69,252

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Solution

The third proportional to 45,554 and 69,252 is: 105,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,554 : 69,252 = 69,252 : x
  2. Step 2: Convert to fraction form
    45,554/69,252 = 69,252/x
  3. Step 3: Cross multiply
    45,554x = 69,252 × 69,252
  4. Step 4: Simplify right side
    45,554x = 4,795,839,504
  5. Step 5: Solve for x
    x = 4,795,839,504/45,554
  6. Step 6: Final answer
    x = 105,278.12

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.