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Finding the Third Proportional to 8,815,830.75 and 13,622,704.75

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Solution

The third proportional to 8,815,830.75 and 13,622,704.75 is: 21,050,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,830.75 : 13,622,704.75 = 13,622,704.75 : x
  2. Step 2: Convert to fraction form
    8,815,830.75/13,622,704.75 = 13,622,704.75/x
  3. Step 3: Cross multiply
    8,815,830.75x = 13,622,704.75 × 13,622,704.75
  4. Step 4: Simplify right side
    8,815,830.75x = 185,578,084,705,672.56
  5. Step 5: Solve for x
    x = 185,578,084,705,672.56/8,815,830.75
  6. Step 6: Final answer
    x = 21,050,549.85

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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.