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Finding the Third Proportional to 207,987.75 and 449,185.50

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Solution

The third proportional to 207,987.75 and 449,185.50 is: 970,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,987.75 : 449,185.50 = 449,185.50 : x
  2. Step 2: Convert to fraction form
    207,987.75/449,185.50 = 449,185.50/x
  3. Step 3: Cross multiply
    207,987.75x = 449,185.50 × 449,185.50
  4. Step 4: Simplify right side
    207,987.75x = 201,767,613,410.25
  5. Step 5: Solve for x
    x = 201,767,613,410.25/207,987.75
  6. Step 6: Final answer
    x = 970,093.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.