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Finding the Third Proportional to 15,313.88 and 21,944.63

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Solution

The third proportional to 15,313.88 and 21,944.63 is: 31,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.88 : 21,944.63 = 21,944.63 : x
  2. Step 2: Convert to fraction form
    15,313.88/21,944.63 = 21,944.63/x
  3. Step 3: Cross multiply
    15,313.88x = 21,944.63 × 21,944.63
  4. Step 4: Simplify right side
    15,313.88x = 481,566,566.39
  5. Step 5: Solve for x
    x = 481,566,566.39/15,313.88
  6. Step 6: Final answer
    x = 31,446.42

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.