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Finding the Third Proportional to 20,174,031 and 43,286,980

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Solution

The third proportional to 20,174,031 and 43,286,980 is: 92,879,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,031 : 43,286,980 = 43,286,980 : x
  2. Step 2: Convert to fraction form
    20,174,031/43,286,980 = 43,286,980/x
  3. Step 3: Cross multiply
    20,174,031x = 43,286,980 × 43,286,980
  4. Step 4: Simplify right side
    20,174,031x = 1,873,762,637,520,400
  5. Step 5: Solve for x
    x = 1,873,762,637,520,400/20,174,031
  6. Step 6: Final answer
    x = 92,879,932.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.