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Finding the Third Proportional to 366,396 and 582,840

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Solution

The third proportional to 366,396 and 582,840 is: 927,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,396 : 582,840 = 582,840 : x
  2. Step 2: Convert to fraction form
    366,396/582,840 = 582,840/x
  3. Step 3: Cross multiply
    366,396x = 582,840 × 582,840
  4. Step 4: Simplify right side
    366,396x = 339,702,465,600
  5. Step 5: Solve for x
    x = 339,702,465,600/366,396
  6. Step 6: Final answer
    x = 927,145.67

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.