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Finding the Third Proportional to 67,938 and 97,855.50

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Solution

The third proportional to 67,938 and 97,855.50 is: 140,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,938 : 97,855.50 = 97,855.50 : x
  2. Step 2: Convert to fraction form
    67,938/97,855.50 = 97,855.50/x
  3. Step 3: Cross multiply
    67,938x = 97,855.50 × 97,855.50
  4. Step 4: Simplify right side
    67,938x = 9,575,698,880.25
  5. Step 5: Solve for x
    x = 9,575,698,880.25/67,938
  6. Step 6: Final answer
    x = 140,947.61

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.