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Finding the Third Proportional to 190,344.94 and 418,339.69

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Solution

The third proportional to 190,344.94 and 418,339.69 is: 919,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,344.94 : 418,339.69 = 418,339.69 : x
  2. Step 2: Convert to fraction form
    190,344.94/418,339.69 = 418,339.69/x
  3. Step 3: Cross multiply
    190,344.94x = 418,339.69 × 418,339.69
  4. Step 4: Simplify right side
    190,344.94x = 175,008,094,137.60
  5. Step 5: Solve for x
    x = 175,008,094,137.60/190,344.94
  6. Step 6: Final answer
    x = 919,426.05

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.