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Finding the Third Proportional to 36,277,989 and 78,933,159

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Solution

The third proportional to 36,277,989 and 78,933,159 is: 171,741,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,277,989 : 78,933,159 = 78,933,159 : x
  2. Step 2: Convert to fraction form
    36,277,989/78,933,159 = 78,933,159/x
  3. Step 3: Cross multiply
    36,277,989x = 78,933,159 × 78,933,159
  4. Step 4: Simplify right side
    36,277,989x = 6,230,443,589,719,281
  5. Step 5: Solve for x
    x = 6,230,443,589,719,281/36,277,989
  6. Step 6: Final answer
    x = 171,741,702.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.