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Finding the Third Proportional to 11,970,530 and 18,573,315

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Solution

The third proportional to 11,970,530 and 18,573,315 is: 28,818,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970,530 : 18,573,315 = 18,573,315 : x
  2. Step 2: Convert to fraction form
    11,970,530/18,573,315 = 18,573,315/x
  3. Step 3: Cross multiply
    11,970,530x = 18,573,315 × 18,573,315
  4. Step 4: Simplify right side
    11,970,530x = 344,968,030,089,225
  5. Step 5: Solve for x
    x = 344,968,030,089,225/11,970,530
  6. Step 6: Final answer
    x = 28,818,108.31

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.