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Finding the Third Proportional to 33,120 and 49,230

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Solution

The third proportional to 33,120 and 49,230 is: 73,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,120 : 49,230 = 49,230 : x
  2. Step 2: Convert to fraction form
    33,120/49,230 = 49,230/x
  3. Step 3: Cross multiply
    33,120x = 49,230 × 49,230
  4. Step 4: Simplify right side
    33,120x = 2,423,592,900
  5. Step 5: Solve for x
    x = 2,423,592,900/33,120
  6. Step 6: Final answer
    x = 73,176.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.