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Finding the Third Proportional to 665,055.56 and 996,213.94

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Solution

The third proportional to 665,055.56 and 996,213.94 is: 1,492,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,055.56 : 996,213.94 = 996,213.94 : x
  2. Step 2: Convert to fraction form
    665,055.56/996,213.94 = 996,213.94/x
  3. Step 3: Cross multiply
    665,055.56x = 996,213.94 × 996,213.94
  4. Step 4: Simplify right side
    665,055.56x = 992,442,209,269.25
  5. Step 5: Solve for x
    x = 992,442,209,269.25/665,055.56
  6. Step 6: Final answer
    x = 1,492,269.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.