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Finding the Third Proportional to 51,738 and 82,664

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Solution

The third proportional to 51,738 and 82,664 is: 132,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,738 : 82,664 = 82,664 : x
  2. Step 2: Convert to fraction form
    51,738/82,664 = 82,664/x
  3. Step 3: Cross multiply
    51,738x = 82,664 × 82,664
  4. Step 4: Simplify right side
    51,738x = 6,833,336,896
  5. Step 5: Solve for x
    x = 6,833,336,896/51,738
  6. Step 6: Final answer
    x = 132,075.78

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.