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Finding the Third Proportional to 16,774,867 and 36,689,780

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Solution

The third proportional to 16,774,867 and 36,689,780 is: 80,247,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774,867 : 36,689,780 = 36,689,780 : x
  2. Step 2: Convert to fraction form
    16,774,867/36,689,780 = 36,689,780/x
  3. Step 3: Cross multiply
    16,774,867x = 36,689,780 × 36,689,780
  4. Step 4: Simplify right side
    16,774,867x = 1,346,139,956,448,400
  5. Step 5: Solve for x
    x = 1,346,139,956,448,400/16,774,867
  6. Step 6: Final answer
    x = 80,247,429.47

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.