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Finding the Third Proportional to 217,035 and 450,702

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Solution

The third proportional to 217,035 and 450,702 is: 935,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,035 : 450,702 = 450,702 : x
  2. Step 2: Convert to fraction form
    217,035/450,702 = 450,702/x
  3. Step 3: Cross multiply
    217,035x = 450,702 × 450,702
  4. Step 4: Simplify right side
    217,035x = 203,132,292,804
  5. Step 5: Solve for x
    x = 203,132,292,804/217,035
  6. Step 6: Final answer
    x = 935,942.56

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.