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Finding the Third Proportional to 159,980 and 350,090

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Solution

The third proportional to 159,980 and 350,090 is: 766,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,980 : 350,090 = 350,090 : x
  2. Step 2: Convert to fraction form
    159,980/350,090 = 350,090/x
  3. Step 3: Cross multiply
    159,980x = 350,090 × 350,090
  4. Step 4: Simplify right side
    159,980x = 122,563,008,100
  5. Step 5: Solve for x
    x = 122,563,008,100/159,980
  6. Step 6: Final answer
    x = 766,114.56

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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.