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Finding the Third Proportional to 8,959 and 19,330

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Solution

The third proportional to 8,959 and 19,330 is: 41,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959 : 19,330 = 19,330 : x
  2. Step 2: Convert to fraction form
    8,959/19,330 = 19,330/x
  3. Step 3: Cross multiply
    8,959x = 19,330 × 19,330
  4. Step 4: Simplify right side
    8,959x = 373,648,900
  5. Step 5: Solve for x
    x = 373,648,900/8,959
  6. Step 6: Final answer
    x = 41,706.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.