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Finding the Third Proportional to 102,722 and 162,993

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Solution

The third proportional to 102,722 and 162,993 is: 258,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,722 : 162,993 = 162,993 : x
  2. Step 2: Convert to fraction form
    102,722/162,993 = 162,993/x
  3. Step 3: Cross multiply
    102,722x = 162,993 × 162,993
  4. Step 4: Simplify right side
    102,722x = 26,566,718,049
  5. Step 5: Solve for x
    x = 26,566,718,049/102,722
  6. Step 6: Final answer
    x = 258,627.34

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.