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Finding the Third Proportional to 272,450.53 and 374,000.20

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Solution

The third proportional to 272,450.53 and 374,000.20 is: 513,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,450.53 : 374,000.20 = 374,000.20 : x
  2. Step 2: Convert to fraction form
    272,450.53/374,000.20 = 374,000.20/x
  3. Step 3: Cross multiply
    272,450.53x = 374,000.20 × 374,000.20
  4. Step 4: Simplify right side
    272,450.53x = 139,876,151,937.54
  5. Step 5: Solve for x
    x = 139,876,151,937.54/272,450.53
  6. Step 6: Final answer
    x = 513,400.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.