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Finding the Third Proportional to 201,404.25 and 438,759

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Solution

The third proportional to 201,404.25 and 438,759 is: 955,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,404.25 : 438,759 = 438,759 : x
  2. Step 2: Convert to fraction form
    201,404.25/438,759 = 438,759/x
  3. Step 3: Cross multiply
    201,404.25x = 438,759 × 438,759
  4. Step 4: Simplify right side
    201,404.25x = 192,509,460,081
  5. Step 5: Solve for x
    x = 192,509,460,081/201,404.25
  6. Step 6: Final answer
    x = 955,836.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.