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Finding the Third Proportional to 9,997 and 21,551

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Solution

The third proportional to 9,997 and 21,551 is: 46,458.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997 : 21,551 = 21,551 : x
  2. Step 2: Convert to fraction form
    9,997/21,551 = 21,551/x
  3. Step 3: Cross multiply
    9,997x = 21,551 × 21,551
  4. Step 4: Simplify right side
    9,997x = 464,445,601
  5. Step 5: Solve for x
    x = 464,445,601/9,997
  6. Step 6: Final answer
    x = 46,458.50

Related Problems

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1.5x scale

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.