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Finding the Third Proportional to 16,851,969 and 36,307,170

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Solution

The third proportional to 16,851,969 and 36,307,170 is: 78,222,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851,969 : 36,307,170 = 36,307,170 : x
  2. Step 2: Convert to fraction form
    16,851,969/36,307,170 = 36,307,170/x
  3. Step 3: Cross multiply
    16,851,969x = 36,307,170 × 36,307,170
  4. Step 4: Simplify right side
    16,851,969x = 1,318,210,593,408,900
  5. Step 5: Solve for x
    x = 1,318,210,593,408,900/16,851,969
  6. Step 6: Final answer
    x = 78,222,941.98

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.