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Finding the Third Proportional to 4,776,279.75 and 10,091,659.50

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Solution

The third proportional to 4,776,279.75 and 10,091,659.50 is: 21,322,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776,279.75 : 10,091,659.50 = 10,091,659.50 : x
  2. Step 2: Convert to fraction form
    4,776,279.75/10,091,659.50 = 10,091,659.50/x
  3. Step 3: Cross multiply
    4,776,279.75x = 10,091,659.50 × 10,091,659.50
  4. Step 4: Simplify right side
    4,776,279.75x = 101,841,591,463,940.25
  5. Step 5: Solve for x
    x = 101,841,591,463,940.25/4,776,279.75
  6. Step 6: Final answer
    x = 21,322,367.36

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.