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Finding the Third Proportional to 207,540 and 449,064

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Solution

The third proportional to 207,540 and 449,064 is: 971,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,540 : 449,064 = 449,064 : x
  2. Step 2: Convert to fraction form
    207,540/449,064 = 449,064/x
  3. Step 3: Cross multiply
    207,540x = 449,064 × 449,064
  4. Step 4: Simplify right side
    207,540x = 201,658,476,096
  5. Step 5: Solve for x
    x = 201,658,476,096/207,540
  6. Step 6: Final answer
    x = 971,660.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.