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Finding the Third Proportional to 861,188 and 1,853,992

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Solution

The third proportional to 861,188 and 1,853,992 is: 3,991,330.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,188 : 1,853,992 = 1,853,992 : x
  2. Step 2: Convert to fraction form
    861,188/1,853,992 = 1,853,992/x
  3. Step 3: Cross multiply
    861,188x = 1,853,992 × 1,853,992
  4. Step 4: Simplify right side
    861,188x = 3,437,286,336,064
  5. Step 5: Solve for x
    x = 3,437,286,336,064/861,188
  6. Step 6: Final answer
    x = 3,991,330.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.