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Finding the Third Proportional to 217,009.50 and 475,393.50

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Solution

The third proportional to 217,009.50 and 475,393.50 is: 1,041,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,009.50 : 475,393.50 = 475,393.50 : x
  2. Step 2: Convert to fraction form
    217,009.50/475,393.50 = 475,393.50/x
  3. Step 3: Cross multiply
    217,009.50x = 475,393.50 × 475,393.50
  4. Step 4: Simplify right side
    217,009.50x = 225,998,979,842.25
  5. Step 5: Solve for x
    x = 225,998,979,842.25/217,009.50
  6. Step 6: Final answer
    x = 1,041,424.36

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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.