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Finding the Third Proportional to 39,237,777 and 84,472,308

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Solution

The third proportional to 39,237,777 and 84,472,308 is: 181,854,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,237,777 : 84,472,308 = 84,472,308 : x
  2. Step 2: Convert to fraction form
    39,237,777/84,472,308 = 84,472,308/x
  3. Step 3: Cross multiply
    39,237,777x = 84,472,308 × 84,472,308
  4. Step 4: Simplify right side
    39,237,777x = 7,135,570,818,846,864
  5. Step 5: Solve for x
    x = 7,135,570,818,846,864/39,237,777
  6. Step 6: Final answer
    x = 181,854,614.72

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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.