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Finding the Third Proportional to 72,286,481.95 and 110,124,611.86

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Solution

The third proportional to 72,286,481.95 and 110,124,611.86 is: 167,768,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,286,481.95 : 110,124,611.86 = 110,124,611.86 : x
  2. Step 2: Convert to fraction form
    72,286,481.95/110,124,611.86 = 110,124,611.86/x
  3. Step 3: Cross multiply
    72,286,481.95x = 110,124,611.86 × 110,124,611.86
  4. Step 4: Simplify right side
    72,286,481.95x = 12,127,430,137,179,100
  5. Step 5: Solve for x
    x = 12,127,430,137,179,100/72,286,481.95
  6. Step 6: Final answer
    x = 167,768,990.96

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.