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Finding the Third Proportional to 18,979,932 and 29,413,698

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Solution

The third proportional to 18,979,932 and 29,413,698 is: 45,583,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,932 : 29,413,698 = 29,413,698 : x
  2. Step 2: Convert to fraction form
    18,979,932/29,413,698 = 29,413,698/x
  3. Step 3: Cross multiply
    18,979,932x = 29,413,698 × 29,413,698
  4. Step 4: Simplify right side
    18,979,932x = 865,165,630,035,204
  5. Step 5: Solve for x
    x = 865,165,630,035,204/18,979,932
  6. Step 6: Final answer
    x = 45,583,178.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.