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Finding the Third Proportional to 550,530 and 850,887

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Solution

The third proportional to 550,530 and 850,887 is: 1,315,112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,530 : 850,887 = 850,887 : x
  2. Step 2: Convert to fraction form
    550,530/850,887 = 850,887/x
  3. Step 3: Cross multiply
    550,530x = 850,887 × 850,887
  4. Step 4: Simplify right side
    550,530x = 724,008,686,769
  5. Step 5: Solve for x
    x = 724,008,686,769/550,530
  6. Step 6: Final answer
    x = 1,315,112.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.