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Finding the Third Proportional to 39,019,954.50 and 85,764,512.25

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Solution

The third proportional to 39,019,954.50 and 85,764,512.25 is: 188,507,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,019,954.50 : 85,764,512.25 = 85,764,512.25 : x
  2. Step 2: Convert to fraction form
    39,019,954.50/85,764,512.25 = 85,764,512.25/x
  3. Step 3: Cross multiply
    39,019,954.50x = 85,764,512.25 × 85,764,512.25
  4. Step 4: Simplify right side
    39,019,954.50x = 7,355,551,561,480,400
  5. Step 5: Solve for x
    x = 7,355,551,561,480,400/39,019,954.50
  6. Step 6: Final answer
    x = 188,507,435.64

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Why These Related Problems?

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