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Finding the Third Proportional to 156,600 and 344,304

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Solution

The third proportional to 156,600 and 344,304 is: 756,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,600 : 344,304 = 344,304 : x
  2. Step 2: Convert to fraction form
    156,600/344,304 = 344,304/x
  3. Step 3: Cross multiply
    156,600x = 344,304 × 344,304
  4. Step 4: Simplify right side
    156,600x = 118,545,244,416
  5. Step 5: Solve for x
    x = 118,545,244,416/156,600
  6. Step 6: Final answer
    x = 756,993.90

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.