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Finding the Third Proportional to 133,029 and 289,021.50

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Solution

The third proportional to 133,029 and 289,021.50 is: 627,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,029 : 289,021.50 = 289,021.50 : x
  2. Step 2: Convert to fraction form
    133,029/289,021.50 = 289,021.50/x
  3. Step 3: Cross multiply
    133,029x = 289,021.50 × 289,021.50
  4. Step 4: Simplify right side
    133,029x = 83,533,427,462.25
  5. Step 5: Solve for x
    x = 83,533,427,462.25/133,029
  6. Step 6: Final answer
    x = 627,933.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.