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Finding the Third Proportional to 169,737 and 372,090

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Solution

The third proportional to 169,737 and 372,090 is: 815,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,737 : 372,090 = 372,090 : x
  2. Step 2: Convert to fraction form
    169,737/372,090 = 372,090/x
  3. Step 3: Cross multiply
    169,737x = 372,090 × 372,090
  4. Step 4: Simplify right side
    169,737x = 138,450,968,100
  5. Step 5: Solve for x
    x = 138,450,968,100/169,737
  6. Step 6: Final answer
    x = 815,679.36

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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.