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Finding the Third Proportional to 1,684 and 3,541

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Solution

The third proportional to 1,684 and 3,541 is: 7,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684 : 3,541 = 3,541 : x
  2. Step 2: Convert to fraction form
    1,684/3,541 = 3,541/x
  3. Step 3: Cross multiply
    1,684x = 3,541 × 3,541
  4. Step 4: Simplify right side
    1,684x = 12,538,681
  5. Step 5: Solve for x
    x = 12,538,681/1,684
  6. Step 6: Final answer
    x = 7,445.77

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.