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Finding the Third Proportional to 187,727 and 388,759

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Solution

The third proportional to 187,727 and 388,759 is: 805,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,727 : 388,759 = 388,759 : x
  2. Step 2: Convert to fraction form
    187,727/388,759 = 388,759/x
  3. Step 3: Cross multiply
    187,727x = 388,759 × 388,759
  4. Step 4: Simplify right side
    187,727x = 151,133,560,081
  5. Step 5: Solve for x
    x = 151,133,560,081/187,727
  6. Step 6: Final answer
    x = 805,070.98

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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.