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Finding the Third Proportional to 269,532 and 422,796

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Solution

The third proportional to 269,532 and 422,796 is: 663,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,532 : 422,796 = 422,796 : x
  2. Step 2: Convert to fraction form
    269,532/422,796 = 422,796/x
  3. Step 3: Cross multiply
    269,532x = 422,796 × 422,796
  4. Step 4: Simplify right side
    269,532x = 178,756,457,616
  5. Step 5: Solve for x
    x = 178,756,457,616/269,532
  6. Step 6: Final answer
    x = 663,210.52

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.