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Finding the Third Proportional to 75,216.19 and 163,922.25

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Solution

The third proportional to 75,216.19 and 163,922.25 is: 357,243.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,216.19 : 163,922.25 = 163,922.25 : x
  2. Step 2: Convert to fraction form
    75,216.19/163,922.25 = 163,922.25/x
  3. Step 3: Cross multiply
    75,216.19x = 163,922.25 × 163,922.25
  4. Step 4: Simplify right side
    75,216.19x = 26,870,504,045.06
  5. Step 5: Solve for x
    x = 26,870,504,045.06/75,216.19
  6. Step 6: Final answer
    x = 357,243.63

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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.