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Finding the Third Proportional to 1,020,723 and 2,228,220

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Solution

The third proportional to 1,020,723 and 2,228,220 is: 4,864,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,723 : 2,228,220 = 2,228,220 : x
  2. Step 2: Convert to fraction form
    1,020,723/2,228,220 = 2,228,220/x
  3. Step 3: Cross multiply
    1,020,723x = 2,228,220 × 2,228,220
  4. Step 4: Simplify right side
    1,020,723x = 4,964,964,368,400
  5. Step 5: Solve for x
    x = 4,964,964,368,400/1,020,723
  6. Step 6: Final answer
    x = 4,864,164.29

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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.