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Finding the Third Proportional to 481,266 and 672,880

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Solution

The third proportional to 481,266 and 672,880 is: 940,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,266 : 672,880 = 672,880 : x
  2. Step 2: Convert to fraction form
    481,266/672,880 = 672,880/x
  3. Step 3: Cross multiply
    481,266x = 672,880 × 672,880
  4. Step 4: Simplify right side
    481,266x = 452,767,494,400
  5. Step 5: Solve for x
    x = 452,767,494,400/481,266
  6. Step 6: Final answer
    x = 940,784.29

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.