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Finding the Third Proportional to 626.34 and 1,650.94

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Solution

The third proportional to 626.34 and 1,650.94 is: 4,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.34 : 1,650.94 = 1,650.94 : x
  2. Step 2: Convert to fraction form
    626.34/1,650.94 = 1,650.94/x
  3. Step 3: Cross multiply
    626.34x = 1,650.94 × 1,650.94
  4. Step 4: Simplify right side
    626.34x = 2,725,594.63
  5. Step 5: Solve for x
    x = 2,725,594.63/626.34
  6. Step 6: Final answer
    x = 4,351.60

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Why These Related Problems?

These problems maintain the same ratio (2.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.