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Finding the Third Proportional to 163,469 and 352,757

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Solution

The third proportional to 163,469 and 352,757 is: 761,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,469 : 352,757 = 352,757 : x
  2. Step 2: Convert to fraction form
    163,469/352,757 = 352,757/x
  3. Step 3: Cross multiply
    163,469x = 352,757 × 352,757
  4. Step 4: Simplify right side
    163,469x = 124,437,501,049
  5. Step 5: Solve for x
    x = 124,437,501,049/163,469
  6. Step 6: Final answer
    x = 761,229.96

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.