Home / 12,280,889,110.50-18,864,947,992.50

Finding the Third Proportional to 12,280,889,110.50 and 18,864,947,992.50

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Solution

The third proportional to 12,280,889,110.50 and 18,864,947,992.50 is: 28,978,867,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,889,110.50 : 18,864,947,992.50 = 18,864,947,992.50 : x
  2. Step 2: Convert to fraction form
    12,280,889,110.50/18,864,947,992.50 = 18,864,947,992.50/x
  3. Step 3: Cross multiply
    12,280,889,110.50x = 18,864,947,992.50 × 18,864,947,992.50
  4. Step 4: Simplify right side
    12,280,889,110.50x = 355,886,262,759,729,790,976
  5. Step 5: Solve for x
    x = 355,886,262,759,729,790,976/12,280,889,110.50
  6. Step 6: Final answer
    x = 28,978,867,861.89

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1.5x scale

Why These Related Problems?

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