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Finding the Third Proportional to 28,210 and 60,668

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Solution

The third proportional to 28,210 and 60,668 is: 130,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210 : 60,668 = 60,668 : x
  2. Step 2: Convert to fraction form
    28,210/60,668 = 60,668/x
  3. Step 3: Cross multiply
    28,210x = 60,668 × 60,668
  4. Step 4: Simplify right side
    28,210x = 3,680,606,224
  5. Step 5: Solve for x
    x = 3,680,606,224/28,210
  6. Step 6: Final answer
    x = 130,471.68

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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.