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Finding the Third Proportional to 53,096 and 78,638

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Solution

The third proportional to 53,096 and 78,638 is: 116,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,096 : 78,638 = 78,638 : x
  2. Step 2: Convert to fraction form
    53,096/78,638 = 78,638/x
  3. Step 3: Cross multiply
    53,096x = 78,638 × 78,638
  4. Step 4: Simplify right side
    53,096x = 6,183,935,044
  5. Step 5: Solve for x
    x = 6,183,935,044/53,096
  6. Step 6: Final answer
    x = 116,467.06

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.