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Finding the Third Proportional to 428,604.75 and 941,820.75

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Solution

The third proportional to 428,604.75 and 941,820.75 is: 2,069,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,604.75 : 941,820.75 = 941,820.75 : x
  2. Step 2: Convert to fraction form
    428,604.75/941,820.75 = 941,820.75/x
  3. Step 3: Cross multiply
    428,604.75x = 941,820.75 × 941,820.75
  4. Step 4: Simplify right side
    428,604.75x = 887,026,325,130.56
  5. Step 5: Solve for x
    x = 887,026,325,130.56/428,604.75
  6. Step 6: Final answer
    x = 2,069,567.18

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.