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Finding the Third Proportional to 367,028 and 543,720

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Solution

The third proportional to 367,028 and 543,720 is: 805,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,028 : 543,720 = 543,720 : x
  2. Step 2: Convert to fraction form
    367,028/543,720 = 543,720/x
  3. Step 3: Cross multiply
    367,028x = 543,720 × 543,720
  4. Step 4: Simplify right side
    367,028x = 295,631,438,400
  5. Step 5: Solve for x
    x = 295,631,438,400/367,028
  6. Step 6: Final answer
    x = 805,473.80

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.