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Finding the Third Proportional to 3,429.84 and 4,658.77

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Solution

The third proportional to 3,429.84 and 4,658.77 is: 6,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.84 : 4,658.77 = 4,658.77 : x
  2. Step 2: Convert to fraction form
    3,429.84/4,658.77 = 4,658.77/x
  3. Step 3: Cross multiply
    3,429.84x = 4,658.77 × 4,658.77
  4. Step 4: Simplify right side
    3,429.84x = 21,704,097.15
  5. Step 5: Solve for x
    x = 21,704,097.15/3,429.84
  6. Step 6: Final answer
    x = 6,328.01

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.