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Finding the Third Proportional to 266,237 and 579,120

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Solution

The third proportional to 266,237 and 579,120 is: 1,259,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,237 : 579,120 = 579,120 : x
  2. Step 2: Convert to fraction form
    266,237/579,120 = 579,120/x
  3. Step 3: Cross multiply
    266,237x = 579,120 × 579,120
  4. Step 4: Simplify right side
    266,237x = 335,379,974,400
  5. Step 5: Solve for x
    x = 335,379,974,400/266,237
  6. Step 6: Final answer
    x = 1,259,704.60

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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.