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Finding the Third Proportional to 1,617 and 3,435.94

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Solution

The third proportional to 1,617 and 3,435.94 is: 7,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617 : 3,435.94 = 3,435.94 : x
  2. Step 2: Convert to fraction form
    1,617/3,435.94 = 3,435.94/x
  3. Step 3: Cross multiply
    1,617x = 3,435.94 × 3,435.94
  4. Step 4: Simplify right side
    1,617x = 11,805,666.50
  5. Step 5: Solve for x
    x = 11,805,666.50/1,617
  6. Step 6: Final answer
    x = 7,300.97

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.