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Finding the Third Proportional to 362,772 and 847,130

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Solution

The third proportional to 362,772 and 847,130 is: 1,978,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,772 : 847,130 = 847,130 : x
  2. Step 2: Convert to fraction form
    362,772/847,130 = 847,130/x
  3. Step 3: Cross multiply
    362,772x = 847,130 × 847,130
  4. Step 4: Simplify right side
    362,772x = 717,629,236,900
  5. Step 5: Solve for x
    x = 717,629,236,900/362,772
  6. Step 6: Final answer
    x = 1,978,182.54

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.