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Finding the Third Proportional to 302,625 and 455,243.25

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Solution

The third proportional to 302,625 and 455,243.25 is: 684,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,625 : 455,243.25 = 455,243.25 : x
  2. Step 2: Convert to fraction form
    302,625/455,243.25 = 455,243.25/x
  3. Step 3: Cross multiply
    302,625x = 455,243.25 × 455,243.25
  4. Step 4: Simplify right side
    302,625x = 207,246,416,670.56
  5. Step 5: Solve for x
    x = 207,246,416,670.56/302,625
  6. Step 6: Final answer
    x = 684,829.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.