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Finding the Third Proportional to 908,557 and 1,976,198

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Solution

The third proportional to 908,557 and 1,976,198 is: 4,298,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,557 : 1,976,198 = 1,976,198 : x
  2. Step 2: Convert to fraction form
    908,557/1,976,198 = 1,976,198/x
  3. Step 3: Cross multiply
    908,557x = 1,976,198 × 1,976,198
  4. Step 4: Simplify right side
    908,557x = 3,905,358,535,204
  5. Step 5: Solve for x
    x = 3,905,358,535,204/908,557
  6. Step 6: Final answer
    x = 4,298,418.85

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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.