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Finding the Third Proportional to 276,835.50 and 603,699

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Solution

The third proportional to 276,835.50 and 603,699 is: 1,316,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,835.50 : 603,699 = 603,699 : x
  2. Step 2: Convert to fraction form
    276,835.50/603,699 = 603,699/x
  3. Step 3: Cross multiply
    276,835.50x = 603,699 × 603,699
  4. Step 4: Simplify right side
    276,835.50x = 364,452,482,601
  5. Step 5: Solve for x
    x = 364,452,482,601/276,835.50
  6. Step 6: Final answer
    x = 1,316,494.75

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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.