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Finding the Third Proportional to 2,421.84 and 3,267.84

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Solution

The third proportional to 2,421.84 and 3,267.84 is: 4,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.84 : 3,267.84 = 3,267.84 : x
  2. Step 2: Convert to fraction form
    2,421.84/3,267.84 = 3,267.84/x
  3. Step 3: Cross multiply
    2,421.84x = 3,267.84 × 3,267.84
  4. Step 4: Simplify right side
    2,421.84x = 10,678,802.77
  5. Step 5: Solve for x
    x = 10,678,802.77/2,421.84
  6. Step 6: Final answer
    x = 4,409.37

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.