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Finding the Third Proportional to 126,963 and 200,871

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Solution

The third proportional to 126,963 and 200,871 is: 317,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,963 : 200,871 = 200,871 : x
  2. Step 2: Convert to fraction form
    126,963/200,871 = 200,871/x
  3. Step 3: Cross multiply
    126,963x = 200,871 × 200,871
  4. Step 4: Simplify right side
    126,963x = 40,349,158,641
  5. Step 5: Solve for x
    x = 40,349,158,641/126,963
  6. Step 6: Final answer
    x = 317,802.50

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.