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Finding the Third Proportional to 2,190,111.75 and 4,717,188

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Solution

The third proportional to 2,190,111.75 and 4,717,188 is: 10,160,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,111.75 : 4,717,188 = 4,717,188 : x
  2. Step 2: Convert to fraction form
    2,190,111.75/4,717,188 = 4,717,188/x
  3. Step 3: Cross multiply
    2,190,111.75x = 4,717,188 × 4,717,188
  4. Step 4: Simplify right side
    2,190,111.75x = 22,251,862,627,344
  5. Step 5: Solve for x
    x = 22,251,862,627,344/2,190,111.75
  6. Step 6: Final answer
    x = 10,160,149.42

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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.