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Finding the Third Proportional to 131,082 and 197,697

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Solution

The third proportional to 131,082 and 197,697 is: 298,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,082 : 197,697 = 197,697 : x
  2. Step 2: Convert to fraction form
    131,082/197,697 = 197,697/x
  3. Step 3: Cross multiply
    131,082x = 197,697 × 197,697
  4. Step 4: Simplify right side
    131,082x = 39,084,103,809
  5. Step 5: Solve for x
    x = 39,084,103,809/131,082
  6. Step 6: Final answer
    x = 298,165.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.