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Finding the Third Proportional to 2,430 and 3,651

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Solution

The third proportional to 2,430 and 3,651 is: 5,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430 : 3,651 = 3,651 : x
  2. Step 2: Convert to fraction form
    2,430/3,651 = 3,651/x
  3. Step 3: Cross multiply
    2,430x = 3,651 × 3,651
  4. Step 4: Simplify right side
    2,430x = 13,329,801
  5. Step 5: Solve for x
    x = 13,329,801/2,430
  6. Step 6: Final answer
    x = 5,485.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.