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Finding the Third Proportional to 67,960.50 and 97,890

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Solution

The third proportional to 67,960.50 and 97,890 is: 141,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,960.50 : 97,890 = 97,890 : x
  2. Step 2: Convert to fraction form
    67,960.50/97,890 = 97,890/x
  3. Step 3: Cross multiply
    67,960.50x = 97,890 × 97,890
  4. Step 4: Simplify right side
    67,960.50x = 9,582,452,100
  5. Step 5: Solve for x
    x = 9,582,452,100/67,960.50
  6. Step 6: Final answer
    x = 141,000.32

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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.