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Finding the Third Proportional to 21,768 and 46,992

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Solution

The third proportional to 21,768 and 46,992 is: 101,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768 : 46,992 = 46,992 : x
  2. Step 2: Convert to fraction form
    21,768/46,992 = 46,992/x
  3. Step 3: Cross multiply
    21,768x = 46,992 × 46,992
  4. Step 4: Simplify right side
    21,768x = 2,208,248,064
  5. Step 5: Solve for x
    x = 2,208,248,064/21,768
  6. Step 6: Final answer
    x = 101,444.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.