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Finding the Third Proportional to 21,312 and 45,052

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Solution

The third proportional to 21,312 and 45,052 is: 95,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,312 : 45,052 = 45,052 : x
  2. Step 2: Convert to fraction form
    21,312/45,052 = 45,052/x
  3. Step 3: Cross multiply
    21,312x = 45,052 × 45,052
  4. Step 4: Simplify right side
    21,312x = 2,029,682,704
  5. Step 5: Solve for x
    x = 2,029,682,704/21,312
  6. Step 6: Final answer
    x = 95,236.61

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.