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Finding the Third Proportional to 1,805.63 and 3,417.19

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Solution

The third proportional to 1,805.63 and 3,417.19 is: 6,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.63 : 3,417.19 = 3,417.19 : x
  2. Step 2: Convert to fraction form
    1,805.63/3,417.19 = 3,417.19/x
  3. Step 3: Cross multiply
    1,805.63x = 3,417.19 × 3,417.19
  4. Step 4: Simplify right side
    1,805.63x = 11,677,170.41
  5. Step 5: Solve for x
    x = 11,677,170.41/1,805.63
  6. Step 6: Final answer
    x = 6,467.11

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.