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Finding the Third Proportional to 79,000 and 119,505

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Solution

The third proportional to 79,000 and 119,505 is: 180,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,000 : 119,505 = 119,505 : x
  2. Step 2: Convert to fraction form
    79,000/119,505 = 119,505/x
  3. Step 3: Cross multiply
    79,000x = 119,505 × 119,505
  4. Step 4: Simplify right side
    79,000x = 14,281,445,025
  5. Step 5: Solve for x
    x = 14,281,445,025/79,000
  6. Step 6: Final answer
    x = 180,777.79

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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.