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Finding the Third Proportional to 217,757 and 468,886

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Solution

The third proportional to 217,757 and 468,886 is: 1,009,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,757 : 468,886 = 468,886 : x
  2. Step 2: Convert to fraction form
    217,757/468,886 = 468,886/x
  3. Step 3: Cross multiply
    217,757x = 468,886 × 468,886
  4. Step 4: Simplify right side
    217,757x = 219,854,080,996
  5. Step 5: Solve for x
    x = 219,854,080,996/217,757
  6. Step 6: Final answer
    x = 1,009,630.37

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.