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Finding the Third Proportional to 439,310 and 959,188

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Solution

The third proportional to 439,310 and 959,188 is: 2,094,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,310 : 959,188 = 959,188 : x
  2. Step 2: Convert to fraction form
    439,310/959,188 = 959,188/x
  3. Step 3: Cross multiply
    439,310x = 959,188 × 959,188
  4. Step 4: Simplify right side
    439,310x = 920,041,619,344
  5. Step 5: Solve for x
    x = 920,041,619,344/439,310
  6. Step 6: Final answer
    x = 2,094,287.90

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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.