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Finding the Third Proportional to 187,738.88 and 388,785.75

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Solution

The third proportional to 187,738.88 and 388,785.75 is: 805,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,738.88 : 388,785.75 = 388,785.75 : x
  2. Step 2: Convert to fraction form
    187,738.88/388,785.75 = 388,785.75/x
  3. Step 3: Cross multiply
    187,738.88x = 388,785.75 × 388,785.75
  4. Step 4: Simplify right side
    187,738.88x = 151,154,359,403.06
  5. Step 5: Solve for x
    x = 151,154,359,403.06/187,738.88
  6. Step 6: Final answer
    x = 805,130.85

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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.