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Finding the Third Proportional to 39,945,072 and 86,060,772

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Solution

The third proportional to 39,945,072 and 86,060,772 is: 185,416,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945,072 : 86,060,772 = 86,060,772 : x
  2. Step 2: Convert to fraction form
    39,945,072/86,060,772 = 86,060,772/x
  3. Step 3: Cross multiply
    39,945,072x = 86,060,772 × 86,060,772
  4. Step 4: Simplify right side
    39,945,072x = 7,406,456,477,235,984
  5. Step 5: Solve for x
    x = 7,406,456,477,235,984/39,945,072
  6. Step 6: Final answer
    x = 185,416,025.22

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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.