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Finding the Third Proportional to 159,580 and 345,755

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Solution

The third proportional to 159,580 and 345,755 is: 749,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,580 : 345,755 = 345,755 : x
  2. Step 2: Convert to fraction form
    159,580/345,755 = 345,755/x
  3. Step 3: Cross multiply
    159,580x = 345,755 × 345,755
  4. Step 4: Simplify right side
    159,580x = 119,546,520,025
  5. Step 5: Solve for x
    x = 119,546,520,025/159,580
  6. Step 6: Final answer
    x = 749,132.22

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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.