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Finding the Third Proportional to 272,376 and 450,144

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Solution

The third proportional to 272,376 and 450,144 is: 743,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,376 : 450,144 = 450,144 : x
  2. Step 2: Convert to fraction form
    272,376/450,144 = 450,144/x
  3. Step 3: Cross multiply
    272,376x = 450,144 × 450,144
  4. Step 4: Simplify right side
    272,376x = 202,629,620,736
  5. Step 5: Solve for x
    x = 202,629,620,736/272,376
  6. Step 6: Final answer
    x = 743,933.46

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.