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Finding the Third Proportional to 540,615 and 1,189,146.75

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Solution

The third proportional to 540,615 and 1,189,146.75 is: 2,615,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,615 : 1,189,146.75 = 1,189,146.75 : x
  2. Step 2: Convert to fraction form
    540,615/1,189,146.75 = 1,189,146.75/x
  3. Step 3: Cross multiply
    540,615x = 1,189,146.75 × 1,189,146.75
  4. Step 4: Simplify right side
    540,615x = 1,414,069,993,035.56
  5. Step 5: Solve for x
    x = 1,414,069,993,035.56/540,615
  6. Step 6: Final answer
    x = 2,615,669.18

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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.