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Finding the Third Proportional to 10,619.25 and 16,374.75

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Solution

The third proportional to 10,619.25 and 16,374.75 is: 25,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.25 : 16,374.75 = 16,374.75 : x
  2. Step 2: Convert to fraction form
    10,619.25/16,374.75 = 16,374.75/x
  3. Step 3: Cross multiply
    10,619.25x = 16,374.75 × 16,374.75
  4. Step 4: Simplify right side
    10,619.25x = 268,132,437.56
  5. Step 5: Solve for x
    x = 268,132,437.56/10,619.25
  6. Step 6: Final answer
    x = 25,249.66

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Why These Related Problems?

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