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Finding the Third Proportional to 28,240 and 60,576

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Solution

The third proportional to 28,240 and 60,576 is: 129,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240 : 60,576 = 60,576 : x
  2. Step 2: Convert to fraction form
    28,240/60,576 = 60,576/x
  3. Step 3: Cross multiply
    28,240x = 60,576 × 60,576
  4. Step 4: Simplify right side
    28,240x = 3,669,451,776
  5. Step 5: Solve for x
    x = 3,669,451,776/28,240
  6. Step 6: Final answer
    x = 129,938.09

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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.