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Finding the Third Proportional to 13,501.69 and 21,087.84

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Solution

The third proportional to 13,501.69 and 21,087.84 is: 32,936.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.69 : 21,087.84 = 21,087.84 : x
  2. Step 2: Convert to fraction form
    13,501.69/21,087.84 = 21,087.84/x
  3. Step 3: Cross multiply
    13,501.69x = 21,087.84 × 21,087.84
  4. Step 4: Simplify right side
    13,501.69x = 444,697,154.02
  5. Step 5: Solve for x
    x = 444,697,154.02/13,501.69
  6. Step 6: Final answer
    x = 32,936.41

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.