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Finding the Third Proportional to 1,654 and 3,516

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Solution

The third proportional to 1,654 and 3,516 is: 7,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654 : 3,516 = 3,516 : x
  2. Step 2: Convert to fraction form
    1,654/3,516 = 3,516/x
  3. Step 3: Cross multiply
    1,654x = 3,516 × 3,516
  4. Step 4: Simplify right side
    1,654x = 12,362,256
  5. Step 5: Solve for x
    x = 12,362,256/1,654
  6. Step 6: Final answer
    x = 7,474.16

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.