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Finding the Third Proportional to 270,530 and 578,584

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Solution

The third proportional to 270,530 and 578,584 is: 1,237,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,530 : 578,584 = 578,584 : x
  2. Step 2: Convert to fraction form
    270,530/578,584 = 578,584/x
  3. Step 3: Cross multiply
    270,530x = 578,584 × 578,584
  4. Step 4: Simplify right side
    270,530x = 334,759,445,056
  5. Step 5: Solve for x
    x = 334,759,445,056/270,530
  6. Step 6: Final answer
    x = 1,237,420.79

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.