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Finding the Third Proportional to 11,998.13 and 21,141

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Solution

The third proportional to 11,998.13 and 21,141 is: 37,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.13 : 21,141 = 21,141 : x
  2. Step 2: Convert to fraction form
    11,998.13/21,141 = 21,141/x
  3. Step 3: Cross multiply
    11,998.13x = 21,141 × 21,141
  4. Step 4: Simplify right side
    11,998.13x = 446,941,881
  5. Step 5: Solve for x
    x = 446,941,881/11,998.13
  6. Step 6: Final answer
    x = 37,250.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.