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Finding the Third Proportional to 84,708 and 196,944

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Solution

The third proportional to 84,708 and 196,944 is: 457,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,708 : 196,944 = 196,944 : x
  2. Step 2: Convert to fraction form
    84,708/196,944 = 196,944/x
  3. Step 3: Cross multiply
    84,708x = 196,944 × 196,944
  4. Step 4: Simplify right side
    84,708x = 38,786,939,136
  5. Step 5: Solve for x
    x = 38,786,939,136/84,708
  6. Step 6: Final answer
    x = 457,889.92

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.