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Finding the Third Proportional to 207,366 and 311,841

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Solution

The third proportional to 207,366 and 311,841 is: 468,952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,366 : 311,841 = 311,841 : x
  2. Step 2: Convert to fraction form
    207,366/311,841 = 311,841/x
  3. Step 3: Cross multiply
    207,366x = 311,841 × 311,841
  4. Step 4: Simplify right side
    207,366x = 97,244,809,281
  5. Step 5: Solve for x
    x = 97,244,809,281/207,366
  6. Step 6: Final answer
    x = 468,952.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.