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Finding the Third Proportional to 67,421,778.50 and 100,948,140

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Solution

The third proportional to 67,421,778.50 and 100,948,140 is: 151,145,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,421,778.50 : 100,948,140 = 100,948,140 : x
  2. Step 2: Convert to fraction form
    67,421,778.50/100,948,140 = 100,948,140/x
  3. Step 3: Cross multiply
    67,421,778.50x = 100,948,140 × 100,948,140
  4. Step 4: Simplify right side
    67,421,778.50x = 10,190,526,969,459,600
  5. Step 5: Solve for x
    x = 10,190,526,969,459,600/67,421,778.50
  6. Step 6: Final answer
    x = 151,145,923.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.