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Finding the Third Proportional to 8,815,245.75 and 13,355,962.31

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Solution

The third proportional to 8,815,245.75 and 13,355,962.31 is: 20,235,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,245.75 : 13,355,962.31 = 13,355,962.31 : x
  2. Step 2: Convert to fraction form
    8,815,245.75/13,355,962.31 = 13,355,962.31/x
  3. Step 3: Cross multiply
    8,815,245.75x = 13,355,962.31 × 13,355,962.31
  4. Step 4: Simplify right side
    8,815,245.75x = 178,381,729,292,920.34
  5. Step 5: Solve for x
    x = 178,381,729,292,920.34/8,815,245.75
  6. Step 6: Final answer
    x = 20,235,593.47

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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.