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Finding the Third Proportional to 27,330 and 40,995

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Solution

The third proportional to 27,330 and 40,995 is: 61,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330 : 40,995 = 40,995 : x
  2. Step 2: Convert to fraction form
    27,330/40,995 = 40,995/x
  3. Step 3: Cross multiply
    27,330x = 40,995 × 40,995
  4. Step 4: Simplify right side
    27,330x = 1,680,590,025
  5. Step 5: Solve for x
    x = 1,680,590,025/27,330
  6. Step 6: Final answer
    x = 61,492.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.