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Finding the Third Proportional to 918 and 1,441

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Solution

The third proportional to 918 and 1,441 is: 2,261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    918 : 1,441 = 1,441 : x
  2. Step 2: Convert to fraction form
    918/1,441 = 1,441/x
  3. Step 3: Cross multiply
    918x = 1,441 × 1,441
  4. Step 4: Simplify right side
    918x = 2,076,481
  5. Step 5: Solve for x
    x = 2,076,481/918
  6. Step 6: Final answer
    x = 2,261.96

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.