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Finding the Third Proportional to 39,887,667 and 85,734,072

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Solution

The third proportional to 39,887,667 and 85,734,072 is: 184,275,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,887,667 : 85,734,072 = 85,734,072 : x
  2. Step 2: Convert to fraction form
    39,887,667/85,734,072 = 85,734,072/x
  3. Step 3: Cross multiply
    39,887,667x = 85,734,072 × 85,734,072
  4. Step 4: Simplify right side
    39,887,667x = 7,350,331,101,701,184
  5. Step 5: Solve for x
    x = 7,350,331,101,701,184/39,887,667
  6. Step 6: Final answer
    x = 184,275,783.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.