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Finding the Third Proportional to 133,876.50 and 289,794

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Solution

The third proportional to 133,876.50 and 289,794 is: 627,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,876.50 : 289,794 = 289,794 : x
  2. Step 2: Convert to fraction form
    133,876.50/289,794 = 289,794/x
  3. Step 3: Cross multiply
    133,876.50x = 289,794 × 289,794
  4. Step 4: Simplify right side
    133,876.50x = 83,980,562,436
  5. Step 5: Solve for x
    x = 83,980,562,436/133,876.50
  6. Step 6: Final answer
    x = 627,298.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.