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Finding the Third Proportional to 199,479 and 437,112

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Solution

The third proportional to 199,479 and 437,112 is: 957,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,479 : 437,112 = 437,112 : x
  2. Step 2: Convert to fraction form
    199,479/437,112 = 437,112/x
  3. Step 3: Cross multiply
    199,479x = 437,112 × 437,112
  4. Step 4: Simplify right side
    199,479x = 191,066,900,544
  5. Step 5: Solve for x
    x = 191,066,900,544/199,479
  6. Step 6: Final answer
    x = 957,829.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.