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Finding the Third Proportional to 208,500 and 449,424

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Solution

The third proportional to 208,500 and 449,424 is: 968,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,500 : 449,424 = 449,424 : x
  2. Step 2: Convert to fraction form
    208,500/449,424 = 449,424/x
  3. Step 3: Cross multiply
    208,500x = 449,424 × 449,424
  4. Step 4: Simplify right side
    208,500x = 201,981,931,776
  5. Step 5: Solve for x
    x = 201,981,931,776/208,500
  6. Step 6: Final answer
    x = 968,738.28

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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.