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Finding the Third Proportional to 15,553.69 and 23,920.31

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Solution

The third proportional to 15,553.69 and 23,920.31 is: 36,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.69 : 23,920.31 = 23,920.31 : x
  2. Step 2: Convert to fraction form
    15,553.69/23,920.31 = 23,920.31/x
  3. Step 3: Cross multiply
    15,553.69x = 23,920.31 × 23,920.31
  4. Step 4: Simplify right side
    15,553.69x = 572,181,350.10
  5. Step 5: Solve for x
    x = 572,181,350.10/15,553.69
  6. Step 6: Final answer
    x = 36,787.50

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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.