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Finding the Third Proportional to 136,311,879 and 293,409,012

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Solution

The third proportional to 136,311,879 and 293,409,012 is: 631,557,931.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,311,879 : 293,409,012 = 293,409,012 : x
  2. Step 2: Convert to fraction form
    136,311,879/293,409,012 = 293,409,012/x
  3. Step 3: Cross multiply
    136,311,879x = 293,409,012 × 293,409,012
  4. Step 4: Simplify right side
    136,311,879x = 86,088,848,322,816,144
  5. Step 5: Solve for x
    x = 86,088,848,322,816,144/136,311,879
  6. Step 6: Final answer
    x = 631,557,931.37

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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.