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Finding the Third Proportional to 13,275,783.56 and 20,503,256.63

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Solution

The third proportional to 13,275,783.56 and 20,503,256.63 is: 31,665,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275,783.56 : 20,503,256.63 = 20,503,256.63 : x
  2. Step 2: Convert to fraction form
    13,275,783.56/20,503,256.63 = 20,503,256.63/x
  3. Step 3: Cross multiply
    13,275,783.56x = 20,503,256.63 × 20,503,256.63
  4. Step 4: Simplify right side
    13,275,783.56x = 420,383,532,230,606.38
  5. Step 5: Solve for x
    x = 420,383,532,230,606.38/13,275,783.56
  6. Step 6: Final answer
    x = 31,665,440.33

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.