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Finding the Third Proportional to 133,088 and 290,832

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Solution

The third proportional to 133,088 and 290,832 is: 635,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,088 : 290,832 = 290,832 : x
  2. Step 2: Convert to fraction form
    133,088/290,832 = 290,832/x
  3. Step 3: Cross multiply
    133,088x = 290,832 × 290,832
  4. Step 4: Simplify right side
    133,088x = 84,583,252,224
  5. Step 5: Solve for x
    x = 84,583,252,224/133,088
  6. Step 6: Final answer
    x = 635,543.79

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.