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Finding the Third Proportional to 28,934 and 63,427

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Solution

The third proportional to 28,934 and 63,427 is: 139,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934 : 63,427 = 63,427 : x
  2. Step 2: Convert to fraction form
    28,934/63,427 = 63,427/x
  3. Step 3: Cross multiply
    28,934x = 63,427 × 63,427
  4. Step 4: Simplify right side
    28,934x = 4,022,984,329
  5. Step 5: Solve for x
    x = 4,022,984,329/28,934
  6. Step 6: Final answer
    x = 139,040.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.