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Finding the Third Proportional to 12,372.75 and 13,587.75

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Solution

The third proportional to 12,372.75 and 13,587.75 is: 14,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.75 : 13,587.75 = 13,587.75 : x
  2. Step 2: Convert to fraction form
    12,372.75/13,587.75 = 13,587.75/x
  3. Step 3: Cross multiply
    12,372.75x = 13,587.75 × 13,587.75
  4. Step 4: Simplify right side
    12,372.75x = 184,626,950.06
  5. Step 5: Solve for x
    x = 184,626,950.06/12,372.75
  6. Step 6: Final answer
    x = 14,922.06

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.