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Finding the Third Proportional to 579,330 and 1,211,631

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Solution

The third proportional to 579,330 and 1,211,631 is: 2,534,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,330 : 1,211,631 = 1,211,631 : x
  2. Step 2: Convert to fraction form
    579,330/1,211,631 = 1,211,631/x
  3. Step 3: Cross multiply
    579,330x = 1,211,631 × 1,211,631
  4. Step 4: Simplify right side
    579,330x = 1,468,049,680,161
  5. Step 5: Solve for x
    x = 1,468,049,680,161/579,330
  6. Step 6: Final answer
    x = 2,534,047.40

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.