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Finding the Third Proportional to 36,361,140 and 78,491,042

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Solution

The third proportional to 36,361,140 and 78,491,042 is: 169,434,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,361,140 : 78,491,042 = 78,491,042 : x
  2. Step 2: Convert to fraction form
    36,361,140/78,491,042 = 78,491,042/x
  3. Step 3: Cross multiply
    36,361,140x = 78,491,042 × 78,491,042
  4. Step 4: Simplify right side
    36,361,140x = 6,160,843,674,245,764
  5. Step 5: Solve for x
    x = 6,160,843,674,245,764/36,361,140
  6. Step 6: Final answer
    x = 169,434,832.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.