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Finding the Third Proportional to 6,889,175 and 14,831,390

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Solution

The third proportional to 6,889,175 and 14,831,390 is: 31,929,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889,175 : 14,831,390 = 14,831,390 : x
  2. Step 2: Convert to fraction form
    6,889,175/14,831,390 = 14,831,390/x
  3. Step 3: Cross multiply
    6,889,175x = 14,831,390 × 14,831,390
  4. Step 4: Simplify right side
    6,889,175x = 219,970,129,332,100
  5. Step 5: Solve for x
    x = 219,970,129,332,100/6,889,175
  6. Step 6: Final answer
    x = 31,929,821.69

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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.