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Finding the Third Proportional to 187,765.59 and 388,653.19

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Solution

The third proportional to 187,765.59 and 388,653.19 is: 804,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,765.59 : 388,653.19 = 388,653.19 : x
  2. Step 2: Convert to fraction form
    187,765.59/388,653.19 = 388,653.19/x
  3. Step 3: Cross multiply
    187,765.59x = 388,653.19 × 388,653.19
  4. Step 4: Simplify right side
    187,765.59x = 151,051,300,153.91
  5. Step 5: Solve for x
    x = 151,051,300,153.91/187,765.59
  6. Step 6: Final answer
    x = 804,467.41

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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.