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Finding the Third Proportional to 86,605,879.50 and 179,350,665.75

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Solution

The third proportional to 86,605,879.50 and 179,350,665.75 is: 371,414,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,605,879.50 : 179,350,665.75 = 179,350,665.75 : x
  2. Step 2: Convert to fraction form
    86,605,879.50/179,350,665.75 = 179,350,665.75/x
  3. Step 3: Cross multiply
    86,605,879.50x = 179,350,665.75 × 179,350,665.75
  4. Step 4: Simplify right side
    86,605,879.50x = 32,166,661,304,968,224
  5. Step 5: Solve for x
    x = 32,166,661,304,968,224/86,605,879.50
  6. Step 6: Final answer
    x = 371,414,290.70

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.