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Finding the Third Proportional to 45,249 and 69,048

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Solution

The third proportional to 45,249 and 69,048 is: 105,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,249 : 69,048 = 69,048 : x
  2. Step 2: Convert to fraction form
    45,249/69,048 = 69,048/x
  3. Step 3: Cross multiply
    45,249x = 69,048 × 69,048
  4. Step 4: Simplify right side
    45,249x = 4,767,626,304
  5. Step 5: Solve for x
    x = 4,767,626,304/45,249
  6. Step 6: Final answer
    x = 105,364.24

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.