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Finding the Third Proportional to 577,629.56 and 1,288,072.13

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Solution

The third proportional to 577,629.56 and 1,288,072.13 is: 2,872,307.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,629.56 : 1,288,072.13 = 1,288,072.13 : x
  2. Step 2: Convert to fraction form
    577,629.56/1,288,072.13 = 1,288,072.13/x
  3. Step 3: Cross multiply
    577,629.56x = 1,288,072.13 × 1,288,072.13
  4. Step 4: Simplify right side
    577,629.56x = 1,659,129,799,202.02
  5. Step 5: Solve for x
    x = 1,659,129,799,202.02/577,629.56
  6. Step 6: Final answer
    x = 2,872,307.63

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.