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Finding the Third Proportional to 217,813.38 and 471,826.50

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Solution

The third proportional to 217,813.38 and 471,826.50 is: 1,022,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,813.38 : 471,826.50 = 471,826.50 : x
  2. Step 2: Convert to fraction form
    217,813.38/471,826.50 = 471,826.50/x
  3. Step 3: Cross multiply
    217,813.38x = 471,826.50 × 471,826.50
  4. Step 4: Simplify right side
    217,813.38x = 222,620,246,102.25
  5. Step 5: Solve for x
    x = 222,620,246,102.25/217,813.38
  6. Step 6: Final answer
    x = 1,022,068.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.