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Finding the Third Proportional to 393,622.03 and 858,462.05

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Solution

The third proportional to 393,622.03 and 858,462.05 is: 1,872,245.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,622.03 : 858,462.05 = 858,462.05 : x
  2. Step 2: Convert to fraction form
    393,622.03/858,462.05 = 858,462.05/x
  3. Step 3: Cross multiply
    393,622.03x = 858,462.05 × 858,462.05
  4. Step 4: Simplify right side
    393,622.03x = 736,957,085,924.82
  5. Step 5: Solve for x
    x = 736,957,085,924.82/393,622.03
  6. Step 6: Final answer
    x = 1,872,245.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.