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Finding the Third Proportional to 15,768 and 25,635

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Solution

The third proportional to 15,768 and 25,635 is: 41,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768 : 25,635 = 25,635 : x
  2. Step 2: Convert to fraction form
    15,768/25,635 = 25,635/x
  3. Step 3: Cross multiply
    15,768x = 25,635 × 25,635
  4. Step 4: Simplify right side
    15,768x = 657,153,225
  5. Step 5: Solve for x
    x = 657,153,225/15,768
  6. Step 6: Final answer
    x = 41,676.38

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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.