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Finding the Third Proportional to 809,785 and 1,874,690

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Solution

The third proportional to 809,785 and 1,874,690 is: 4,339,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,785 : 1,874,690 = 1,874,690 : x
  2. Step 2: Convert to fraction form
    809,785/1,874,690 = 1,874,690/x
  3. Step 3: Cross multiply
    809,785x = 1,874,690 × 1,874,690
  4. Step 4: Simplify right side
    809,785x = 3,514,462,596,100
  5. Step 5: Solve for x
    x = 3,514,462,596,100/809,785
  6. Step 6: Final answer
    x = 4,339,994.69

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.