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Finding the Third Proportional to 230,469 and 345,709.50

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Solution

The third proportional to 230,469 and 345,709.50 is: 518,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,469 : 345,709.50 = 345,709.50 : x
  2. Step 2: Convert to fraction form
    230,469/345,709.50 = 345,709.50/x
  3. Step 3: Cross multiply
    230,469x = 345,709.50 × 345,709.50
  4. Step 4: Simplify right side
    230,469x = 119,515,058,390.25
  5. Step 5: Solve for x
    x = 119,515,058,390.25/230,469
  6. Step 6: Final answer
    x = 518,573.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.