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Finding the Third Proportional to 28,556,638 and 43,503,992

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Solution

The third proportional to 28,556,638 and 43,503,992 is: 66,275,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556,638 : 43,503,992 = 43,503,992 : x
  2. Step 2: Convert to fraction form
    28,556,638/43,503,992 = 43,503,992/x
  3. Step 3: Cross multiply
    28,556,638x = 43,503,992 × 43,503,992
  4. Step 4: Simplify right side
    28,556,638x = 1,892,597,319,936,064
  5. Step 5: Solve for x
    x = 1,892,597,319,936,064/28,556,638
  6. Step 6: Final answer
    x = 66,275,214.89

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.