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Finding the Third Proportional to 416,278 and 981,559

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Solution

The third proportional to 416,278 and 981,559 is: 2,314,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,278 : 981,559 = 981,559 : x
  2. Step 2: Convert to fraction form
    416,278/981,559 = 981,559/x
  3. Step 3: Cross multiply
    416,278x = 981,559 × 981,559
  4. Step 4: Simplify right side
    416,278x = 963,458,070,481
  5. Step 5: Solve for x
    x = 963,458,070,481/416,278
  6. Step 6: Final answer
    x = 2,314,458.30

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.