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Finding the Third Proportional to 1,776 and 4,145.50

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Solution

The third proportional to 1,776 and 4,145.50 is: 9,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776 : 4,145.50 = 4,145.50 : x
  2. Step 2: Convert to fraction form
    1,776/4,145.50 = 4,145.50/x
  3. Step 3: Cross multiply
    1,776x = 4,145.50 × 4,145.50
  4. Step 4: Simplify right side
    1,776x = 17,185,170.25
  5. Step 5: Solve for x
    x = 17,185,170.25/1,776
  6. Step 6: Final answer
    x = 9,676.33

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.