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Finding the Third Proportional to 266,646 and 375,021

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Solution

The third proportional to 266,646 and 375,021 is: 527,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,646 : 375,021 = 375,021 : x
  2. Step 2: Convert to fraction form
    266,646/375,021 = 375,021/x
  3. Step 3: Cross multiply
    266,646x = 375,021 × 375,021
  4. Step 4: Simplify right side
    266,646x = 140,640,750,441
  5. Step 5: Solve for x
    x = 140,640,750,441/266,646
  6. Step 6: Final answer
    x = 527,443.69

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.