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Finding the Third Proportional to 619,756.88 and 957,660.75

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Solution

The third proportional to 619,756.88 and 957,660.75 is: 1,479,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,756.88 : 957,660.75 = 957,660.75 : x
  2. Step 2: Convert to fraction form
    619,756.88/957,660.75 = 957,660.75/x
  3. Step 3: Cross multiply
    619,756.88x = 957,660.75 × 957,660.75
  4. Step 4: Simplify right side
    619,756.88x = 917,114,112,090.56
  5. Step 5: Solve for x
    x = 917,114,112,090.56/619,756.88
  6. Step 6: Final answer
    x = 1,479,796.59

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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.