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Finding the Third Proportional to 201,966 and 313,602

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Solution

The third proportional to 201,966 and 313,602 is: 486,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,966 : 313,602 = 313,602 : x
  2. Step 2: Convert to fraction form
    201,966/313,602 = 313,602/x
  3. Step 3: Cross multiply
    201,966x = 313,602 × 313,602
  4. Step 4: Simplify right side
    201,966x = 98,346,214,404
  5. Step 5: Solve for x
    x = 98,346,214,404/201,966
  6. Step 6: Final answer
    x = 486,944.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.