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Finding the Third Proportional to 266,690 and 583,195

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Solution

The third proportional to 266,690 and 583,195 is: 1,275,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,690 : 583,195 = 583,195 : x
  2. Step 2: Convert to fraction form
    266,690/583,195 = 583,195/x
  3. Step 3: Cross multiply
    266,690x = 583,195 × 583,195
  4. Step 4: Simplify right side
    266,690x = 340,116,408,025
  5. Step 5: Solve for x
    x = 340,116,408,025/266,690
  6. Step 6: Final answer
    x = 1,275,324.94

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.