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Finding the Third Proportional to 17,990,946 and 27,827,163

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Solution

The third proportional to 17,990,946 and 27,827,163 is: 43,041,149.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990,946 : 27,827,163 = 27,827,163 : x
  2. Step 2: Convert to fraction form
    17,990,946/27,827,163 = 27,827,163/x
  3. Step 3: Cross multiply
    17,990,946x = 27,827,163 × 27,827,163
  4. Step 4: Simplify right side
    17,990,946x = 774,351,000,628,569
  5. Step 5: Solve for x
    x = 774,351,000,628,569/17,990,946
  6. Step 6: Final answer
    x = 43,041,149.73

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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.