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Finding the Third Proportional to 5,085,999.75 and 7,629,009.75

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Solution

The third proportional to 5,085,999.75 and 7,629,009.75 is: 11,443,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085,999.75 : 7,629,009.75 = 7,629,009.75 : x
  2. Step 2: Convert to fraction form
    5,085,999.75/7,629,009.75 = 7,629,009.75/x
  3. Step 3: Cross multiply
    5,085,999.75x = 7,629,009.75 × 7,629,009.75
  4. Step 4: Simplify right side
    5,085,999.75x = 58,201,789,765,595.06
  5. Step 5: Solve for x
    x = 58,201,789,765,595.06/5,085,999.75
  6. Step 6: Final answer
    x = 11,443,529.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.