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Finding the Third Proportional to 28,011 and 60,270

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Solution

The third proportional to 28,011 and 60,270 is: 129,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011 : 60,270 = 60,270 : x
  2. Step 2: Convert to fraction form
    28,011/60,270 = 60,270/x
  3. Step 3: Cross multiply
    28,011x = 60,270 × 60,270
  4. Step 4: Simplify right side
    28,011x = 3,632,472,900
  5. Step 5: Solve for x
    x = 3,632,472,900/28,011
  6. Step 6: Final answer
    x = 129,680.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.