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Finding the Third Proportional to 636,905 and 994,116

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Solution

The third proportional to 636,905 and 994,116 is: 1,551,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,905 : 994,116 = 994,116 : x
  2. Step 2: Convert to fraction form
    636,905/994,116 = 994,116/x
  3. Step 3: Cross multiply
    636,905x = 994,116 × 994,116
  4. Step 4: Simplify right side
    636,905x = 988,266,621,456
  5. Step 5: Solve for x
    x = 988,266,621,456/636,905
  6. Step 6: Final answer
    x = 1,551,670.38

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.