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Finding the Third Proportional to 48,622 and 79,394

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Solution

The third proportional to 48,622 and 79,394 is: 129,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,622 : 79,394 = 79,394 : x
  2. Step 2: Convert to fraction form
    48,622/79,394 = 79,394/x
  3. Step 3: Cross multiply
    48,622x = 79,394 × 79,394
  4. Step 4: Simplify right side
    48,622x = 6,303,407,236
  5. Step 5: Solve for x
    x = 6,303,407,236/48,622
  6. Step 6: Final answer
    x = 129,641.05

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.