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Finding the Third Proportional to 20,914.88 and 29,253.66

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Solution

The third proportional to 20,914.88 and 29,253.66 is: 40,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914.88 : 29,253.66 = 29,253.66 : x
  2. Step 2: Convert to fraction form
    20,914.88/29,253.66 = 29,253.66/x
  3. Step 3: Cross multiply
    20,914.88x = 29,253.66 × 29,253.66
  4. Step 4: Simplify right side
    20,914.88x = 855,776,403.99
  5. Step 5: Solve for x
    x = 855,776,403.99/20,914.88
  6. Step 6: Final answer
    x = 40,917.12

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.