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Finding the Third Proportional to 13,378,802 and 20,193,591

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Solution

The third proportional to 13,378,802 and 20,193,591 is: 30,479,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378,802 : 20,193,591 = 20,193,591 : x
  2. Step 2: Convert to fraction form
    13,378,802/20,193,591 = 20,193,591/x
  3. Step 3: Cross multiply
    13,378,802x = 20,193,591 × 20,193,591
  4. Step 4: Simplify right side
    13,378,802x = 407,781,117,475,281
  5. Step 5: Solve for x
    x = 407,781,117,475,281/13,378,802
  6. Step 6: Final answer
    x = 30,479,643.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.