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Finding the Third Proportional to 39,086,073 and 85,881,321

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Solution

The third proportional to 39,086,073 and 85,881,321 is: 188,701,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,086,073 : 85,881,321 = 85,881,321 : x
  2. Step 2: Convert to fraction form
    39,086,073/85,881,321 = 85,881,321/x
  3. Step 3: Cross multiply
    39,086,073x = 85,881,321 × 85,881,321
  4. Step 4: Simplify right side
    39,086,073x = 7,375,601,296,705,041
  5. Step 5: Solve for x
    x = 7,375,601,296,705,041/39,086,073
  6. Step 6: Final answer
    x = 188,701,517.72

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.