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Finding the Third Proportional to 68,164 and 149,085

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Solution

The third proportional to 68,164 and 149,085 is: 326,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,164 : 149,085 = 149,085 : x
  2. Step 2: Convert to fraction form
    68,164/149,085 = 149,085/x
  3. Step 3: Cross multiply
    68,164x = 149,085 × 149,085
  4. Step 4: Simplify right side
    68,164x = 22,226,337,225
  5. Step 5: Solve for x
    x = 22,226,337,225/68,164
  6. Step 6: Final answer
    x = 326,071.49

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.