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Finding the Third Proportional to 9,091,899 and 14,115,990

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Solution

The third proportional to 9,091,899 and 14,115,990 is: 21,916,342.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091,899 : 14,115,990 = 14,115,990 : x
  2. Step 2: Convert to fraction form
    9,091,899/14,115,990 = 14,115,990/x
  3. Step 3: Cross multiply
    9,091,899x = 14,115,990 × 14,115,990
  4. Step 4: Simplify right side
    9,091,899x = 199,261,173,680,100
  5. Step 5: Solve for x
    x = 199,261,173,680,100/9,091,899
  6. Step 6: Final answer
    x = 21,916,342.63

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.