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Finding the Third Proportional to 18,356.63 and 38,294.44

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Solution

The third proportional to 18,356.63 and 38,294.44 is: 79,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356.63 : 38,294.44 = 38,294.44 : x
  2. Step 2: Convert to fraction form
    18,356.63/38,294.44 = 38,294.44/x
  3. Step 3: Cross multiply
    18,356.63x = 38,294.44 × 38,294.44
  4. Step 4: Simplify right side
    18,356.63x = 1,466,463,943.44
  5. Step 5: Solve for x
    x = 1,466,463,943.44/18,356.63
  6. Step 6: Final answer
    x = 79,887.45

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.