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Finding the Third Proportional to 363,112 and 559,980

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Solution

The third proportional to 363,112 and 559,980 is: 863,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,112 : 559,980 = 559,980 : x
  2. Step 2: Convert to fraction form
    363,112/559,980 = 559,980/x
  3. Step 3: Cross multiply
    363,112x = 559,980 × 559,980
  4. Step 4: Simplify right side
    363,112x = 313,577,600,400
  5. Step 5: Solve for x
    x = 313,577,600,400/363,112
  6. Step 6: Final answer
    x = 863,583.69

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.