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Finding the Third Proportional to 554,007 and 867,825

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Solution

The third proportional to 554,007 and 867,825 is: 1,359,405.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,007 : 867,825 = 867,825 : x
  2. Step 2: Convert to fraction form
    554,007/867,825 = 867,825/x
  3. Step 3: Cross multiply
    554,007x = 867,825 × 867,825
  4. Step 4: Simplify right side
    554,007x = 753,120,230,625
  5. Step 5: Solve for x
    x = 753,120,230,625/554,007
  6. Step 6: Final answer
    x = 1,359,405.62

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.