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Finding the Third Proportional to 8,536,968 and 13,120,380

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Solution

The third proportional to 8,536,968 and 13,120,380 is: 20,164,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536,968 : 13,120,380 = 13,120,380 : x
  2. Step 2: Convert to fraction form
    8,536,968/13,120,380 = 13,120,380/x
  3. Step 3: Cross multiply
    8,536,968x = 13,120,380 × 13,120,380
  4. Step 4: Simplify right side
    8,536,968x = 172,144,371,344,400
  5. Step 5: Solve for x
    x = 172,144,371,344,400/8,536,968
  6. Step 6: Final answer
    x = 20,164,579.67

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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.