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Finding the Third Proportional to 18,899,022 and 29,319,567

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Solution

The third proportional to 18,899,022 and 29,319,567 is: 45,485,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,899,022 : 29,319,567 = 29,319,567 : x
  2. Step 2: Convert to fraction form
    18,899,022/29,319,567 = 29,319,567/x
  3. Step 3: Cross multiply
    18,899,022x = 29,319,567 × 29,319,567
  4. Step 4: Simplify right side
    18,899,022x = 859,637,009,067,489
  5. Step 5: Solve for x
    x = 859,637,009,067,489/18,899,022
  6. Step 6: Final answer
    x = 45,485,793.34

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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.