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Finding the Third Proportional to 27,855 and 43,169.63

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Solution

The third proportional to 27,855 and 43,169.63 is: 66,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,855 : 43,169.63 = 43,169.63 : x
  2. Step 2: Convert to fraction form
    27,855/43,169.63 = 43,169.63/x
  3. Step 3: Cross multiply
    27,855x = 43,169.63 × 43,169.63
  4. Step 4: Simplify right side
    27,855x = 1,863,616,522.64
  5. Step 5: Solve for x
    x = 1,863,616,522.64/27,855
  6. Step 6: Final answer
    x = 66,904.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.