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Finding the Third Proportional to 119,814 and 131,334

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Solution

The third proportional to 119,814 and 131,334 is: 143,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,814 : 131,334 = 131,334 : x
  2. Step 2: Convert to fraction form
    119,814/131,334 = 131,334/x
  3. Step 3: Cross multiply
    119,814x = 131,334 × 131,334
  4. Step 4: Simplify right side
    119,814x = 17,248,619,556
  5. Step 5: Solve for x
    x = 17,248,619,556/119,814
  6. Step 6: Final answer
    x = 143,961.64

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.