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Finding the Third Proportional to 190,987.25 and 404,741.75

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Solution

The third proportional to 190,987.25 and 404,741.75 is: 857,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,987.25 : 404,741.75 = 404,741.75 : x
  2. Step 2: Convert to fraction form
    190,987.25/404,741.75 = 404,741.75/x
  3. Step 3: Cross multiply
    190,987.25x = 404,741.75 × 404,741.75
  4. Step 4: Simplify right side
    190,987.25x = 163,815,884,193.06
  5. Step 5: Solve for x
    x = 163,815,884,193.06/190,987.25
  6. Step 6: Final answer
    x = 857,732.04

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.