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Finding the Third Proportional to 136,497 and 209,094

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Solution

The third proportional to 136,497 and 209,094 is: 320,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,497 : 209,094 = 209,094 : x
  2. Step 2: Convert to fraction form
    136,497/209,094 = 209,094/x
  3. Step 3: Cross multiply
    136,497x = 209,094 × 209,094
  4. Step 4: Simplify right side
    136,497x = 43,720,300,836
  5. Step 5: Solve for x
    x = 43,720,300,836/136,497
  6. Step 6: Final answer
    x = 320,302.28

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.