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Finding the Third Proportional to 127,838.25 and 200,103.75

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Solution

The third proportional to 127,838.25 and 200,103.75 is: 313,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,838.25 : 200,103.75 = 200,103.75 : x
  2. Step 2: Convert to fraction form
    127,838.25/200,103.75 = 200,103.75/x
  3. Step 3: Cross multiply
    127,838.25x = 200,103.75 × 200,103.75
  4. Step 4: Simplify right side
    127,838.25x = 40,041,510,764.06
  5. Step 5: Solve for x
    x = 40,041,510,764.06/127,838.25
  6. Step 6: Final answer
    x = 313,220.11

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.