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Finding the Third Proportional to 67,201.50 and 98,856

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Solution

The third proportional to 67,201.50 and 98,856 is: 145,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,201.50 : 98,856 = 98,856 : x
  2. Step 2: Convert to fraction form
    67,201.50/98,856 = 98,856/x
  3. Step 3: Cross multiply
    67,201.50x = 98,856 × 98,856
  4. Step 4: Simplify right side
    67,201.50x = 9,772,508,736
  5. Step 5: Solve for x
    x = 9,772,508,736/67,201.50
  6. Step 6: Final answer
    x = 145,420.99

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.