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Finding the Third Proportional to 33,690 and 52,854

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Solution

The third proportional to 33,690 and 52,854 is: 82,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,690 : 52,854 = 52,854 : x
  2. Step 2: Convert to fraction form
    33,690/52,854 = 52,854/x
  3. Step 3: Cross multiply
    33,690x = 52,854 × 52,854
  4. Step 4: Simplify right side
    33,690x = 2,793,545,316
  5. Step 5: Solve for x
    x = 2,793,545,316/33,690
  6. Step 6: Final answer
    x = 82,919.12

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.