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Finding the Third Proportional to 8,815,675.50 and 13,622,468.63

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Solution

The third proportional to 8,815,675.50 and 13,622,468.63 is: 21,050,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,675.50 : 13,622,468.63 = 13,622,468.63 : x
  2. Step 2: Convert to fraction form
    8,815,675.50/13,622,468.63 = 13,622,468.63/x
  3. Step 3: Cross multiply
    8,815,675.50x = 13,622,468.63 × 13,622,468.63
  4. Step 4: Simplify right side
    8,815,675.50x = 185,571,651,439,109.38
  5. Step 5: Solve for x
    x = 185,571,651,439,109.38/8,815,675.50
  6. Step 6: Final answer
    x = 21,050,190.82

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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.