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Finding the Third Proportional to 7,990,291 and 17,609,276

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Solution

The third proportional to 7,990,291 and 17,609,276 is: 38,807,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,291 : 17,609,276 = 17,609,276 : x
  2. Step 2: Convert to fraction form
    7,990,291/17,609,276 = 17,609,276/x
  3. Step 3: Cross multiply
    7,990,291x = 17,609,276 × 17,609,276
  4. Step 4: Simplify right side
    7,990,291x = 310,086,601,244,176
  5. Step 5: Solve for x
    x = 310,086,601,244,176/7,990,291
  6. Step 6: Final answer
    x = 38,807,923.42

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.