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Finding the Third Proportional to 64,954 and 79,124

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Solution

The third proportional to 64,954 and 79,124 is: 96,385.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,954 : 79,124 = 79,124 : x
  2. Step 2: Convert to fraction form
    64,954/79,124 = 79,124/x
  3. Step 3: Cross multiply
    64,954x = 79,124 × 79,124
  4. Step 4: Simplify right side
    64,954x = 6,260,607,376
  5. Step 5: Solve for x
    x = 6,260,607,376/64,954
  6. Step 6: Final answer
    x = 96,385.25

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.