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Finding the Third Proportional to 68,436 and 102,370.50

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Solution

The third proportional to 68,436 and 102,370.50 is: 153,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,436 : 102,370.50 = 102,370.50 : x
  2. Step 2: Convert to fraction form
    68,436/102,370.50 = 102,370.50/x
  3. Step 3: Cross multiply
    68,436x = 102,370.50 × 102,370.50
  4. Step 4: Simplify right side
    68,436x = 10,479,719,270.25
  5. Step 5: Solve for x
    x = 10,479,719,270.25/68,436
  6. Step 6: Final answer
    x = 153,131.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.