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Finding the Third Proportional to 3,328,639 and 7,170,008

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Solution

The third proportional to 3,328,639 and 7,170,008 is: 15,444,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328,639 : 7,170,008 = 7,170,008 : x
  2. Step 2: Convert to fraction form
    3,328,639/7,170,008 = 7,170,008/x
  3. Step 3: Cross multiply
    3,328,639x = 7,170,008 × 7,170,008
  4. Step 4: Simplify right side
    3,328,639x = 51,409,014,720,064
  5. Step 5: Solve for x
    x = 51,409,014,720,064/3,328,639
  6. Step 6: Final answer
    x = 15,444,454.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.