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Finding the Third Proportional to 172,534.50 and 252,999

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Solution

The third proportional to 172,534.50 and 252,999 is: 370,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,534.50 : 252,999 = 252,999 : x
  2. Step 2: Convert to fraction form
    172,534.50/252,999 = 252,999/x
  3. Step 3: Cross multiply
    172,534.50x = 252,999 × 252,999
  4. Step 4: Simplify right side
    172,534.50x = 64,008,494,001
  5. Step 5: Solve for x
    x = 64,008,494,001/172,534.50
  6. Step 6: Final answer
    x = 370,989.54

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.