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Finding the Third Proportional to 3,156,588 and 6,956,640

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Solution

The third proportional to 3,156,588 and 6,956,640 is: 15,331,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,588 : 6,956,640 = 6,956,640 : x
  2. Step 2: Convert to fraction form
    3,156,588/6,956,640 = 6,956,640/x
  3. Step 3: Cross multiply
    3,156,588x = 6,956,640 × 6,956,640
  4. Step 4: Simplify right side
    3,156,588x = 48,394,840,089,600
  5. Step 5: Solve for x
    x = 48,394,840,089,600/3,156,588
  6. Step 6: Final answer
    x = 15,331,376.82

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.