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Finding the Third Proportional to 28,880 and 43,737

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Solution

The third proportional to 28,880 and 43,737 is: 66,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880 : 43,737 = 43,737 : x
  2. Step 2: Convert to fraction form
    28,880/43,737 = 43,737/x
  3. Step 3: Cross multiply
    28,880x = 43,737 × 43,737
  4. Step 4: Simplify right side
    28,880x = 1,912,925,169
  5. Step 5: Solve for x
    x = 1,912,925,169/28,880
  6. Step 6: Final answer
    x = 66,237.02

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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.