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Finding the Third Proportional to 5,919,113 and 12,990,350

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Solution

The third proportional to 5,919,113 and 12,990,350 is: 28,509,202.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919,113 : 12,990,350 = 12,990,350 : x
  2. Step 2: Convert to fraction form
    5,919,113/12,990,350 = 12,990,350/x
  3. Step 3: Cross multiply
    5,919,113x = 12,990,350 × 12,990,350
  4. Step 4: Simplify right side
    5,919,113x = 168,749,193,122,500
  5. Step 5: Solve for x
    x = 168,749,193,122,500/5,919,113
  6. Step 6: Final answer
    x = 28,509,202.84

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.