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Finding the Third Proportional to 70,074 and 102,519

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Solution

The third proportional to 70,074 and 102,519 is: 149,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,074 : 102,519 = 102,519 : x
  2. Step 2: Convert to fraction form
    70,074/102,519 = 102,519/x
  3. Step 3: Cross multiply
    70,074x = 102,519 × 102,519
  4. Step 4: Simplify right side
    70,074x = 10,510,145,361
  5. Step 5: Solve for x
    x = 10,510,145,361/70,074
  6. Step 6: Final answer
    x = 149,986.38

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.