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Finding the Third Proportional to 51,463 and 68,310

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Solution

The third proportional to 51,463 and 68,310 is: 90,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,463 : 68,310 = 68,310 : x
  2. Step 2: Convert to fraction form
    51,463/68,310 = 68,310/x
  3. Step 3: Cross multiply
    51,463x = 68,310 × 68,310
  4. Step 4: Simplify right side
    51,463x = 4,666,256,100
  5. Step 5: Solve for x
    x = 4,666,256,100/51,463
  6. Step 6: Final answer
    x = 90,672.06

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.