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Finding the Third Proportional to 18,663.56 and 40,296.56

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Solution

The third proportional to 18,663.56 and 40,296.56 is: 87,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.56 : 40,296.56 = 40,296.56 : x
  2. Step 2: Convert to fraction form
    18,663.56/40,296.56 = 40,296.56/x
  3. Step 3: Cross multiply
    18,663.56x = 40,296.56 × 40,296.56
  4. Step 4: Simplify right side
    18,663.56x = 1,623,812,949.32
  5. Step 5: Solve for x
    x = 1,623,812,949.32/18,663.56
  6. Step 6: Final answer
    x = 87,004.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.