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Finding the Third Proportional to 84,718 and 196,968

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Solution

The third proportional to 84,718 and 196,968 is: 457,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,718 : 196,968 = 196,968 : x
  2. Step 2: Convert to fraction form
    84,718/196,968 = 196,968/x
  3. Step 3: Cross multiply
    84,718x = 196,968 × 196,968
  4. Step 4: Simplify right side
    84,718x = 38,796,393,024
  5. Step 5: Solve for x
    x = 38,796,393,024/84,718
  6. Step 6: Final answer
    x = 457,947.46

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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.