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Finding the Third Proportional to 6,409.13 and 13,587.75

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Solution

The third proportional to 6,409.13 and 13,587.75 is: 28,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.13 : 13,587.75 = 13,587.75 : x
  2. Step 2: Convert to fraction form
    6,409.13/13,587.75 = 13,587.75/x
  3. Step 3: Cross multiply
    6,409.13x = 13,587.75 × 13,587.75
  4. Step 4: Simplify right side
    6,409.13x = 184,626,950.06
  5. Step 5: Solve for x
    x = 184,626,950.06/6,409.13
  6. Step 6: Final answer
    x = 28,806.89

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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.