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Finding the Third Proportional to 187,729.88 and 388,767.75

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Solution

The third proportional to 187,729.88 and 388,767.75 is: 805,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,729.88 : 388,767.75 = 388,767.75 : x
  2. Step 2: Convert to fraction form
    187,729.88/388,767.75 = 388,767.75/x
  3. Step 3: Cross multiply
    187,729.88x = 388,767.75 × 388,767.75
  4. Step 4: Simplify right side
    187,729.88x = 151,140,363,440.06
  5. Step 5: Solve for x
    x = 151,140,363,440.06/187,729.88
  6. Step 6: Final answer
    x = 805,094.89

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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.