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Finding the Third Proportional to 172,170.50 and 372,937

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Solution

The third proportional to 172,170.50 and 372,937 is: 807,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,170.50 : 372,937 = 372,937 : x
  2. Step 2: Convert to fraction form
    172,170.50/372,937 = 372,937/x
  3. Step 3: Cross multiply
    172,170.50x = 372,937 × 372,937
  4. Step 4: Simplify right side
    172,170.50x = 139,082,005,969
  5. Step 5: Solve for x
    x = 139,082,005,969/172,170.50
  6. Step 6: Final answer
    x = 807,815.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.