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Finding the Third Proportional to 347,112 and 703,880

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Solution

The third proportional to 347,112 and 703,880 is: 1,427,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,112 : 703,880 = 703,880 : x
  2. Step 2: Convert to fraction form
    347,112/703,880 = 703,880/x
  3. Step 3: Cross multiply
    347,112x = 703,880 × 703,880
  4. Step 4: Simplify right side
    347,112x = 495,447,054,400
  5. Step 5: Solve for x
    x = 495,447,054,400/347,112
  6. Step 6: Final answer
    x = 1,427,340.61

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.