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Finding the Third Proportional to 28,912 and 43,596

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Solution

The third proportional to 28,912 and 43,596 is: 65,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912 : 43,596 = 43,596 : x
  2. Step 2: Convert to fraction form
    28,912/43,596 = 43,596/x
  3. Step 3: Cross multiply
    28,912x = 43,596 × 43,596
  4. Step 4: Simplify right side
    28,912x = 1,900,611,216
  5. Step 5: Solve for x
    x = 1,900,611,216/28,912
  6. Step 6: Final answer
    x = 65,737.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.