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Finding the Third Proportional to 172,401 and 365,536

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Solution

The third proportional to 172,401 and 365,536 is: 775,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,401 : 365,536 = 365,536 : x
  2. Step 2: Convert to fraction form
    172,401/365,536 = 365,536/x
  3. Step 3: Cross multiply
    172,401x = 365,536 × 365,536
  4. Step 4: Simplify right side
    172,401x = 133,616,567,296
  5. Step 5: Solve for x
    x = 133,616,567,296/172,401
  6. Step 6: Final answer
    x = 775,033.60

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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.