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Finding the Third Proportional to 636,879 and 929,063

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Solution

The third proportional to 636,879 and 929,063 is: 1,355,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,879 : 929,063 = 929,063 : x
  2. Step 2: Convert to fraction form
    636,879/929,063 = 929,063/x
  3. Step 3: Cross multiply
    636,879x = 929,063 × 929,063
  4. Step 4: Simplify right side
    636,879x = 863,158,057,969
  5. Step 5: Solve for x
    x = 863,158,057,969/636,879
  6. Step 6: Final answer
    x = 1,355,293.64

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.