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Finding the Third Proportional to 6,412 and 13,586

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Solution

The third proportional to 6,412 and 13,586 is: 28,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412 : 13,586 = 13,586 : x
  2. Step 2: Convert to fraction form
    6,412/13,586 = 13,586/x
  3. Step 3: Cross multiply
    6,412x = 13,586 × 13,586
  4. Step 4: Simplify right side
    6,412x = 184,579,396
  5. Step 5: Solve for x
    x = 184,579,396/6,412
  6. Step 6: Final answer
    x = 28,786.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.