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Finding the Third Proportional to 187,714.75 and 388,737.25

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Solution

The third proportional to 187,714.75 and 388,737.25 is: 805,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,714.75 : 388,737.25 = 388,737.25 : x
  2. Step 2: Convert to fraction form
    187,714.75/388,737.25 = 388,737.25/x
  3. Step 3: Cross multiply
    187,714.75x = 388,737.25 × 388,737.25
  4. Step 4: Simplify right side
    187,714.75x = 151,116,649,537.56
  5. Step 5: Solve for x
    x = 151,116,649,537.56/187,714.75
  6. Step 6: Final answer
    x = 805,033.43

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.