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Finding the Third Proportional to 43,227,311 and 66,860,960

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Solution

The third proportional to 43,227,311 and 66,860,960 is: 103,415,823.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,227,311 : 66,860,960 = 66,860,960 : x
  2. Step 2: Convert to fraction form
    43,227,311/66,860,960 = 66,860,960/x
  3. Step 3: Cross multiply
    43,227,311x = 66,860,960 × 66,860,960
  4. Step 4: Simplify right side
    43,227,311x = 4,470,387,972,121,600
  5. Step 5: Solve for x
    x = 4,470,387,972,121,600/43,227,311
  6. Step 6: Final answer
    x = 103,415,823.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.