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Finding the Third Proportional to 36,439.88 and 53,616.75

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Solution

The third proportional to 36,439.88 and 53,616.75 is: 78,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,439.88 : 53,616.75 = 53,616.75 : x
  2. Step 2: Convert to fraction form
    36,439.88/53,616.75 = 53,616.75/x
  3. Step 3: Cross multiply
    36,439.88x = 53,616.75 × 53,616.75
  4. Step 4: Simplify right side
    36,439.88x = 2,874,755,880.56
  5. Step 5: Solve for x
    x = 2,874,755,880.56/36,439.88
  6. Step 6: Final answer
    x = 78,890.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.