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Finding the Third Proportional to 172,723.50 and 371,695.50

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Solution

The third proportional to 172,723.50 and 371,695.50 is: 799,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,723.50 : 371,695.50 = 371,695.50 : x
  2. Step 2: Convert to fraction form
    172,723.50/371,695.50 = 371,695.50/x
  3. Step 3: Cross multiply
    172,723.50x = 371,695.50 × 371,695.50
  4. Step 4: Simplify right side
    172,723.50x = 138,157,544,720.25
  5. Step 5: Solve for x
    x = 138,157,544,720.25/172,723.50
  6. Step 6: Final answer
    x = 799,876.94

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.