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Finding the Third Proportional to 21,582 and 51,957

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Solution

The third proportional to 21,582 and 51,957 is: 125,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582 : 51,957 = 51,957 : x
  2. Step 2: Convert to fraction form
    21,582/51,957 = 51,957/x
  3. Step 3: Cross multiply
    21,582x = 51,957 × 51,957
  4. Step 4: Simplify right side
    21,582x = 2,699,529,849
  5. Step 5: Solve for x
    x = 2,699,529,849/21,582
  6. Step 6: Final answer
    x = 125,082.47

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.