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Finding the Third Proportional to 912,916 and 1,211,622

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Solution

The third proportional to 912,916 and 1,211,622 is: 1,608,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,916 : 1,211,622 = 1,211,622 : x
  2. Step 2: Convert to fraction form
    912,916/1,211,622 = 1,211,622/x
  3. Step 3: Cross multiply
    912,916x = 1,211,622 × 1,211,622
  4. Step 4: Simplify right side
    912,916x = 1,468,027,870,884
  5. Step 5: Solve for x
    x = 1,468,027,870,884/912,916
  6. Step 6: Final answer
    x = 1,608,064.57

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.