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Finding the Third Proportional to 3,426 and 3,746

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Solution

The third proportional to 3,426 and 3,746 is: 4,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426 : 3,746 = 3,746 : x
  2. Step 2: Convert to fraction form
    3,426/3,746 = 3,746/x
  3. Step 3: Cross multiply
    3,426x = 3,746 × 3,746
  4. Step 4: Simplify right side
    3,426x = 14,032,516
  5. Step 5: Solve for x
    x = 14,032,516/3,426
  6. Step 6: Final answer
    x = 4,095.89

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.