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Finding the Third Proportional to 18,341,016 and 39,866,256

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Solution

The third proportional to 18,341,016 and 39,866,256 is: 86,653,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341,016 : 39,866,256 = 39,866,256 : x
  2. Step 2: Convert to fraction form
    18,341,016/39,866,256 = 39,866,256/x
  3. Step 3: Cross multiply
    18,341,016x = 39,866,256 × 39,866,256
  4. Step 4: Simplify right side
    18,341,016x = 1,589,318,367,457,536
  5. Step 5: Solve for x
    x = 1,589,318,367,457,536/18,341,016
  6. Step 6: Final answer
    x = 86,653,780.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.