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Finding the Third Proportional to 1,155,820.50 and 2,511,873

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Solution

The third proportional to 1,155,820.50 and 2,511,873 is: 5,458,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,820.50 : 2,511,873 = 2,511,873 : x
  2. Step 2: Convert to fraction form
    1,155,820.50/2,511,873 = 2,511,873/x
  3. Step 3: Cross multiply
    1,155,820.50x = 2,511,873 × 2,511,873
  4. Step 4: Simplify right side
    1,155,820.50x = 6,309,505,968,129
  5. Step 5: Solve for x
    x = 6,309,505,968,129/1,155,820.50
  6. Step 6: Final answer
    x = 5,458,897.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.