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Finding the Third Proportional to 439,320 and 959,208

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Solution

The third proportional to 439,320 and 959,208 is: 2,094,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,320 : 959,208 = 959,208 : x
  2. Step 2: Convert to fraction form
    439,320/959,208 = 959,208/x
  3. Step 3: Cross multiply
    439,320x = 959,208 × 959,208
  4. Step 4: Simplify right side
    439,320x = 920,079,987,264
  5. Step 5: Solve for x
    x = 920,079,987,264/439,320
  6. Step 6: Final answer
    x = 2,094,327.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.