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Finding the Third Proportional to 153,236 and 324,902

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Solution

The third proportional to 153,236 and 324,902 is: 688,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,236 : 324,902 = 324,902 : x
  2. Step 2: Convert to fraction form
    153,236/324,902 = 324,902/x
  3. Step 3: Cross multiply
    153,236x = 324,902 × 324,902
  4. Step 4: Simplify right side
    153,236x = 105,561,309,604
  5. Step 5: Solve for x
    x = 105,561,309,604/153,236
  6. Step 6: Final answer
    x = 688,880.61

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.