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Finding the Third Proportional to 201,705.50 and 434,531

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Solution

The third proportional to 201,705.50 and 434,531 is: 936,103.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,705.50 : 434,531 = 434,531 : x
  2. Step 2: Convert to fraction form
    201,705.50/434,531 = 434,531/x
  3. Step 3: Cross multiply
    201,705.50x = 434,531 × 434,531
  4. Step 4: Simplify right side
    201,705.50x = 188,817,189,961
  5. Step 5: Solve for x
    x = 188,817,189,961/201,705.50
  6. Step 6: Final answer
    x = 936,103.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.