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Finding the Third Proportional to 86,393,555.63 and 190,396,869

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Solution

The third proportional to 86,393,555.63 and 190,396,869 is: 419,602,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,393,555.63 : 190,396,869 = 190,396,869 : x
  2. Step 2: Convert to fraction form
    86,393,555.63/190,396,869 = 190,396,869/x
  3. Step 3: Cross multiply
    86,393,555.63x = 190,396,869 × 190,396,869
  4. Step 4: Simplify right side
    86,393,555.63x = 36,250,967,725,003,160
  5. Step 5: Solve for x
    x = 36,250,967,725,003,160/86,393,555.63
  6. Step 6: Final answer
    x = 419,602,682.89

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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.