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Finding the Third Proportional to 20,118.69 and 29,561.52

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Solution

The third proportional to 20,118.69 and 29,561.52 is: 43,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118.69 : 29,561.52 = 29,561.52 : x
  2. Step 2: Convert to fraction form
    20,118.69/29,561.52 = 29,561.52/x
  3. Step 3: Cross multiply
    20,118.69x = 29,561.52 × 29,561.52
  4. Step 4: Simplify right side
    20,118.69x = 873,883,437.00
  5. Step 5: Solve for x
    x = 873,883,437.00/20,118.69
  6. Step 6: Final answer
    x = 43,436.40

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.