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Finding the Third Proportional to 1,180 and 1,776

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Solution

The third proportional to 1,180 and 1,776 is: 2,673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180 : 1,776 = 1,776 : x
  2. Step 2: Convert to fraction form
    1,180/1,776 = 1,776/x
  3. Step 3: Cross multiply
    1,180x = 1,776 × 1,776
  4. Step 4: Simplify right side
    1,180x = 3,154,176
  5. Step 5: Solve for x
    x = 3,154,176/1,180
  6. Step 6: Final answer
    x = 2,673.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.