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Finding the Third Proportional to 266,436 and 581,682

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Solution

The third proportional to 266,436 and 581,682 is: 1,269,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,436 : 581,682 = 581,682 : x
  2. Step 2: Convert to fraction form
    266,436/581,682 = 581,682/x
  3. Step 3: Cross multiply
    266,436x = 581,682 × 581,682
  4. Step 4: Simplify right side
    266,436x = 338,353,949,124
  5. Step 5: Solve for x
    x = 338,353,949,124/266,436
  6. Step 6: Final answer
    x = 1,269,925.80

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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.