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Finding the Third Proportional to 18,837 and 29,141.16

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Solution

The third proportional to 18,837 and 29,141.16 is: 45,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837 : 29,141.16 = 29,141.16 : x
  2. Step 2: Convert to fraction form
    18,837/29,141.16 = 29,141.16/x
  3. Step 3: Cross multiply
    18,837x = 29,141.16 × 29,141.16
  4. Step 4: Simplify right side
    18,837x = 849,206,987.59
  5. Step 5: Solve for x
    x = 849,206,987.59/18,837
  6. Step 6: Final answer
    x = 45,081.86

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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.