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Finding the Third Proportional to 28,378,908 and 43,276,932

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Solution

The third proportional to 28,378,908 and 43,276,932 is: 65,995,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,378,908 : 43,276,932 = 43,276,932 : x
  2. Step 2: Convert to fraction form
    28,378,908/43,276,932 = 43,276,932/x
  3. Step 3: Cross multiply
    28,378,908x = 43,276,932 × 43,276,932
  4. Step 4: Simplify right side
    28,378,908x = 1,872,892,843,332,624
  5. Step 5: Solve for x
    x = 1,872,892,843,332,624/28,378,908
  6. Step 6: Final answer
    x = 65,995,944.71

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.