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Finding the Third Proportional to 269,232 and 415,079

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Solution

The third proportional to 269,232 and 415,079 is: 639,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,232 : 415,079 = 415,079 : x
  2. Step 2: Convert to fraction form
    269,232/415,079 = 415,079/x
  3. Step 3: Cross multiply
    269,232x = 415,079 × 415,079
  4. Step 4: Simplify right side
    269,232x = 172,290,576,241
  5. Step 5: Solve for x
    x = 172,290,576,241/269,232
  6. Step 6: Final answer
    x = 639,933.50

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.