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Finding the Third Proportional to 281,676 and 626,322

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Solution

The third proportional to 281,676 and 626,322 is: 1,392,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,676 : 626,322 = 626,322 : x
  2. Step 2: Convert to fraction form
    281,676/626,322 = 626,322/x
  3. Step 3: Cross multiply
    281,676x = 626,322 × 626,322
  4. Step 4: Simplify right side
    281,676x = 392,279,247,684
  5. Step 5: Solve for x
    x = 392,279,247,684/281,676
  6. Step 6: Final answer
    x = 1,392,661.24

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.