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Finding the Third Proportional to 40,035,280.50 and 87,410,137.50

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Solution

The third proportional to 40,035,280.50 and 87,410,137.50 is: 190,844,975.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,035,280.50 : 87,410,137.50 = 87,410,137.50 : x
  2. Step 2: Convert to fraction form
    40,035,280.50/87,410,137.50 = 87,410,137.50/x
  3. Step 3: Cross multiply
    40,035,280.50x = 87,410,137.50 × 87,410,137.50
  4. Step 4: Simplify right side
    40,035,280.50x = 7,640,532,137,768,906
  5. Step 5: Solve for x
    x = 7,640,532,137,768,906/40,035,280.50
  6. Step 6: Final answer
    x = 190,844,975.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.