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Finding the Third Proportional to 39,949,927 and 86,193,230

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Solution

The third proportional to 39,949,927 and 86,193,230 is: 185,964,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,949,927 : 86,193,230 = 86,193,230 : x
  2. Step 2: Convert to fraction form
    39,949,927/86,193,230 = 86,193,230/x
  3. Step 3: Cross multiply
    39,949,927x = 86,193,230 × 86,193,230
  4. Step 4: Simplify right side
    39,949,927x = 7,429,272,897,832,900
  5. Step 5: Solve for x
    x = 7,429,272,897,832,900/39,949,927
  6. Step 6: Final answer
    x = 185,964,617.60

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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.