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Finding the Third Proportional to 1,980 and 4,464

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Solution

The third proportional to 1,980 and 4,464 is: 10,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980 : 4,464 = 4,464 : x
  2. Step 2: Convert to fraction form
    1,980/4,464 = 4,464/x
  3. Step 3: Cross multiply
    1,980x = 4,464 × 4,464
  4. Step 4: Simplify right side
    1,980x = 19,927,296
  5. Step 5: Solve for x
    x = 19,927,296/1,980
  6. Step 6: Final answer
    x = 10,064.29

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.