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Finding the Third Proportional to 8,616,992.50 and 13,342,821

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Solution

The third proportional to 8,616,992.50 and 13,342,821 is: 20,660,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616,992.50 : 13,342,821 = 13,342,821 : x
  2. Step 2: Convert to fraction form
    8,616,992.50/13,342,821 = 13,342,821/x
  3. Step 3: Cross multiply
    8,616,992.50x = 13,342,821 × 13,342,821
  4. Step 4: Simplify right side
    8,616,992.50x = 178,030,872,238,041
  5. Step 5: Solve for x
    x = 178,030,872,238,041/8,616,992.50
  6. Step 6: Final answer
    x = 20,660,441.82

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.