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Finding the Third Proportional to 986,836 and 2,051,239

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Solution

The third proportional to 986,836 and 2,051,239 is: 4,263,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,836 : 2,051,239 = 2,051,239 : x
  2. Step 2: Convert to fraction form
    986,836/2,051,239 = 2,051,239/x
  3. Step 3: Cross multiply
    986,836x = 2,051,239 × 2,051,239
  4. Step 4: Simplify right side
    986,836x = 4,207,581,435,121
  5. Step 5: Solve for x
    x = 4,207,581,435,121/986,836
  6. Step 6: Final answer
    x = 4,263,708.90

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.