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Finding the Third Proportional to 13,223,713.50 and 20,434,005

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Solution

The third proportional to 13,223,713.50 and 20,434,005 is: 31,575,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,713.50 : 20,434,005 = 20,434,005 : x
  2. Step 2: Convert to fraction form
    13,223,713.50/20,434,005 = 20,434,005/x
  3. Step 3: Cross multiply
    13,223,713.50x = 20,434,005 × 20,434,005
  4. Step 4: Simplify right side
    13,223,713.50x = 417,548,560,340,025
  5. Step 5: Solve for x
    x = 417,548,560,340,025/13,223,713.50
  6. Step 6: Final answer
    x = 31,575,741.59

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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.