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Finding the Third Proportional to 48,447 and 65,758

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Solution

The third proportional to 48,447 and 65,758 is: 89,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,447 : 65,758 = 65,758 : x
  2. Step 2: Convert to fraction form
    48,447/65,758 = 65,758/x
  3. Step 3: Cross multiply
    48,447x = 65,758 × 65,758
  4. Step 4: Simplify right side
    48,447x = 4,324,114,564
  5. Step 5: Solve for x
    x = 4,324,114,564/48,447
  6. Step 6: Final answer
    x = 89,254.54

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.