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Finding the Third Proportional to 3,220,766 and 7,020,268

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Solution

The third proportional to 3,220,766 and 7,020,268 is: 15,302,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,766 : 7,020,268 = 7,020,268 : x
  2. Step 2: Convert to fraction form
    3,220,766/7,020,268 = 7,020,268/x
  3. Step 3: Cross multiply
    3,220,766x = 7,020,268 × 7,020,268
  4. Step 4: Simplify right side
    3,220,766x = 49,284,162,791,824
  5. Step 5: Solve for x
    x = 49,284,162,791,824/3,220,766
  6. Step 6: Final answer
    x = 15,302,000.45

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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.