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Finding the Third Proportional to 2,159,418 and 4,999,161

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Solution

The third proportional to 2,159,418 and 4,999,161 is: 11,573,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,418 : 4,999,161 = 4,999,161 : x
  2. Step 2: Convert to fraction form
    2,159,418/4,999,161 = 4,999,161/x
  3. Step 3: Cross multiply
    2,159,418x = 4,999,161 × 4,999,161
  4. Step 4: Simplify right side
    2,159,418x = 24,991,610,703,921
  5. Step 5: Solve for x
    x = 24,991,610,703,921/2,159,418
  6. Step 6: Final answer
    x = 11,573,308.50

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.