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Finding the Third Proportional to 4,091 and 4,460

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Solution

The third proportional to 4,091 and 4,460 is: 4,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091 : 4,460 = 4,460 : x
  2. Step 2: Convert to fraction form
    4,091/4,460 = 4,460/x
  3. Step 3: Cross multiply
    4,091x = 4,460 × 4,460
  4. Step 4: Simplify right side
    4,091x = 19,891,600
  5. Step 5: Solve for x
    x = 19,891,600/4,091
  6. Step 6: Final answer
    x = 4,862.28

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.