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Finding the Third Proportional to 4,515.75 and 7,669.69

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Solution

The third proportional to 4,515.75 and 7,669.69 is: 13,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.75 : 7,669.69 = 7,669.69 : x
  2. Step 2: Convert to fraction form
    4,515.75/7,669.69 = 7,669.69/x
  3. Step 3: Cross multiply
    4,515.75x = 7,669.69 × 7,669.69
  4. Step 4: Simplify right side
    4,515.75x = 58,824,106.35
  5. Step 5: Solve for x
    x = 58,824,106.35/4,515.75
  6. Step 6: Final answer
    x = 13,026.43

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These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.