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Finding the Third Proportional to 20,174,028 and 43,286,974

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Solution

The third proportional to 20,174,028 and 43,286,974 is: 92,879,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,028 : 43,286,974 = 43,286,974 : x
  2. Step 2: Convert to fraction form
    20,174,028/43,286,974 = 43,286,974/x
  3. Step 3: Cross multiply
    20,174,028x = 43,286,974 × 43,286,974
  4. Step 4: Simplify right side
    20,174,028x = 1,873,762,118,076,676
  5. Step 5: Solve for x
    x = 1,873,762,118,076,676/20,174,028
  6. Step 6: Final answer
    x = 92,879,920.56

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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.