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Finding the Third Proportional to 395,106 and 627,651

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Solution

The third proportional to 395,106 and 627,651 is: 997,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,106 : 627,651 = 627,651 : x
  2. Step 2: Convert to fraction form
    395,106/627,651 = 627,651/x
  3. Step 3: Cross multiply
    395,106x = 627,651 × 627,651
  4. Step 4: Simplify right side
    395,106x = 393,945,777,801
  5. Step 5: Solve for x
    x = 393,945,777,801/395,106
  6. Step 6: Final answer
    x = 997,063.52

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.