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Finding the Third Proportional to 18,315,362 and 36,169,756

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Solution

The third proportional to 18,315,362 and 36,169,756 is: 71,429,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315,362 : 36,169,756 = 36,169,756 : x
  2. Step 2: Convert to fraction form
    18,315,362/36,169,756 = 36,169,756/x
  3. Step 3: Cross multiply
    18,315,362x = 36,169,756 × 36,169,756
  4. Step 4: Simplify right side
    18,315,362x = 1,308,251,249,099,536
  5. Step 5: Solve for x
    x = 1,308,251,249,099,536/18,315,362
  6. Step 6: Final answer
    x = 71,429,177.82

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.