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Finding the Third Proportional to 276,572 and 603,200

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Solution

The third proportional to 276,572 and 603,200 is: 1,315,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,572 : 603,200 = 603,200 : x
  2. Step 2: Convert to fraction form
    276,572/603,200 = 603,200/x
  3. Step 3: Cross multiply
    276,572x = 603,200 × 603,200
  4. Step 4: Simplify right side
    276,572x = 363,850,240,000
  5. Step 5: Solve for x
    x = 363,850,240,000/276,572
  6. Step 6: Final answer
    x = 1,315,571.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.