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Finding the Third Proportional to 65,722 and 102,963

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Solution

The third proportional to 65,722 and 102,963 is: 161,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,722 : 102,963 = 102,963 : x
  2. Step 2: Convert to fraction form
    65,722/102,963 = 102,963/x
  3. Step 3: Cross multiply
    65,722x = 102,963 × 102,963
  4. Step 4: Simplify right side
    65,722x = 10,601,379,369
  5. Step 5: Solve for x
    x = 10,601,379,369/65,722
  6. Step 6: Final answer
    x = 161,306.40

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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.