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Finding the Third Proportional to 28,954.50 and 63,450

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Solution

The third proportional to 28,954.50 and 63,450 is: 139,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.50 : 63,450 = 63,450 : x
  2. Step 2: Convert to fraction form
    28,954.50/63,450 = 63,450/x
  3. Step 3: Cross multiply
    28,954.50x = 63,450 × 63,450
  4. Step 4: Simplify right side
    28,954.50x = 4,025,902,500
  5. Step 5: Solve for x
    x = 4,025,902,500/28,954.50
  6. Step 6: Final answer
    x = 139,042.38

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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.