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Finding the Third Proportional to 127,838 and 200,550

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Solution

The third proportional to 127,838 and 200,550 is: 314,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,838 : 200,550 = 200,550 : x
  2. Step 2: Convert to fraction form
    127,838/200,550 = 200,550/x
  3. Step 3: Cross multiply
    127,838x = 200,550 × 200,550
  4. Step 4: Simplify right side
    127,838x = 40,220,302,500
  5. Step 5: Solve for x
    x = 40,220,302,500/127,838
  6. Step 6: Final answer
    x = 314,619.30

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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.