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Finding the Third Proportional to 139,163,518.50 and 204,485,344.50

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Solution

The third proportional to 139,163,518.50 and 204,485,344.50 is: 300,468,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,163,518.50 : 204,485,344.50 = 204,485,344.50 : x
  2. Step 2: Convert to fraction form
    139,163,518.50/204,485,344.50 = 204,485,344.50/x
  3. Step 3: Cross multiply
    139,163,518.50x = 204,485,344.50 × 204,485,344.50
  4. Step 4: Simplify right side
    139,163,518.50x = 41,814,256,115,283,680
  5. Step 5: Solve for x
    x = 41,814,256,115,283,680/139,163,518.50
  6. Step 6: Final answer
    x = 300,468,517.65

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.