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Finding the Third Proportional to 8,758.76 and 13,599.77

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Solution

The third proportional to 8,758.76 and 13,599.77 is: 21,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.76 : 13,599.77 = 13,599.77 : x
  2. Step 2: Convert to fraction form
    8,758.76/13,599.77 = 13,599.77/x
  3. Step 3: Cross multiply
    8,758.76x = 13,599.77 × 13,599.77
  4. Step 4: Simplify right side
    8,758.76x = 184,953,837.55
  5. Step 5: Solve for x
    x = 184,953,837.55/8,758.76
  6. Step 6: Final answer
    x = 21,116.45

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.