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Finding the Third Proportional to 21,255 and 46,551

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Solution

The third proportional to 21,255 and 46,551 is: 101,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,255 : 46,551 = 46,551 : x
  2. Step 2: Convert to fraction form
    21,255/46,551 = 46,551/x
  3. Step 3: Cross multiply
    21,255x = 46,551 × 46,551
  4. Step 4: Simplify right side
    21,255x = 2,166,995,601
  5. Step 5: Solve for x
    x = 2,166,995,601/21,255
  6. Step 6: Final answer
    x = 101,952.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.