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Finding the Third Proportional to 636,362 and 891,975

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Solution

The third proportional to 636,362 and 891,975 is: 1,250,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,362 : 891,975 = 891,975 : x
  2. Step 2: Convert to fraction form
    636,362/891,975 = 891,975/x
  3. Step 3: Cross multiply
    636,362x = 891,975 × 891,975
  4. Step 4: Simplify right side
    636,362x = 795,619,400,625
  5. Step 5: Solve for x
    x = 795,619,400,625/636,362
  6. Step 6: Final answer
    x = 1,250,262.27

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.