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Finding the Third Proportional to 79,643.25 and 173,775.38

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Solution

The third proportional to 79,643.25 and 173,775.38 is: 379,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,643.25 : 173,775.38 = 173,775.38 : x
  2. Step 2: Convert to fraction form
    79,643.25/173,775.38 = 173,775.38/x
  3. Step 3: Cross multiply
    79,643.25x = 173,775.38 × 173,775.38
  4. Step 4: Simplify right side
    79,643.25x = 30,197,880,956.39
  5. Step 5: Solve for x
    x = 30,197,880,956.39/79,643.25
  6. Step 6: Final answer
    x = 379,164.35

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.