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Finding the Third Proportional to 84,072,668 and 184,708,212

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Solution

The third proportional to 84,072,668 and 184,708,212 is: 405,805,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,072,668 : 184,708,212 = 184,708,212 : x
  2. Step 2: Convert to fraction form
    84,072,668/184,708,212 = 184,708,212/x
  3. Step 3: Cross multiply
    84,072,668x = 184,708,212 × 184,708,212
  4. Step 4: Simplify right side
    84,072,668x = 34,117,123,580,236,944
  5. Step 5: Solve for x
    x = 34,117,123,580,236,944/84,072,668
  6. Step 6: Final answer
    x = 405,805,172.98

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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.