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Finding the Third Proportional to 362,488 and 520,080

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Solution

The third proportional to 362,488 and 520,080 is: 746,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,488 : 520,080 = 520,080 : x
  2. Step 2: Convert to fraction form
    362,488/520,080 = 520,080/x
  3. Step 3: Cross multiply
    362,488x = 520,080 × 520,080
  4. Step 4: Simplify right side
    362,488x = 270,483,206,400
  5. Step 5: Solve for x
    x = 270,483,206,400/362,488
  6. Step 6: Final answer
    x = 746,185.27

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.