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Finding the Third Proportional to 2,461 and 5,355

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Solution

The third proportional to 2,461 and 5,355 is: 11,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461 : 5,355 = 5,355 : x
  2. Step 2: Convert to fraction form
    2,461/5,355 = 5,355/x
  3. Step 3: Cross multiply
    2,461x = 5,355 × 5,355
  4. Step 4: Simplify right side
    2,461x = 28,676,025
  5. Step 5: Solve for x
    x = 28,676,025/2,461
  6. Step 6: Final answer
    x = 11,652.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.