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Finding the Third Proportional to 13,520.81 and 29,122.31

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Solution

The third proportional to 13,520.81 and 29,122.31 is: 62,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520.81 : 29,122.31 = 29,122.31 : x
  2. Step 2: Convert to fraction form
    13,520.81/29,122.31 = 29,122.31/x
  3. Step 3: Cross multiply
    13,520.81x = 29,122.31 × 29,122.31
  4. Step 4: Simplify right side
    13,520.81x = 848,109,085.35
  5. Step 5: Solve for x
    x = 848,109,085.35/13,520.81
  6. Step 6: Final answer
    x = 62,726.19

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.