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Finding the Third Proportional to 858,112 and 1,285,504

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Solution

The third proportional to 858,112 and 1,285,504 is: 1,925,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,112 : 1,285,504 = 1,285,504 : x
  2. Step 2: Convert to fraction form
    858,112/1,285,504 = 1,285,504/x
  3. Step 3: Cross multiply
    858,112x = 1,285,504 × 1,285,504
  4. Step 4: Simplify right side
    858,112x = 1,652,520,534,016
  5. Step 5: Solve for x
    x = 1,652,520,534,016/858,112
  6. Step 6: Final answer
    x = 1,925,763.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.