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Finding the Third Proportional to 17,992,400.75 and 39,179,441.50

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Solution

The third proportional to 17,992,400.75 and 39,179,441.50 is: 85,315,387.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992,400.75 : 39,179,441.50 = 39,179,441.50 : x
  2. Step 2: Convert to fraction form
    17,992,400.75/39,179,441.50 = 39,179,441.50/x
  3. Step 3: Cross multiply
    17,992,400.75x = 39,179,441.50 × 39,179,441.50
  4. Step 4: Simplify right side
    17,992,400.75x = 1,535,028,636,251,922.25
  5. Step 5: Solve for x
    x = 1,535,028,636,251,922.25/17,992,400.75
  6. Step 6: Final answer
    x = 85,315,387.18

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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.