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Finding the Third Proportional to 152,630.50 and 331,534.50

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Solution

The third proportional to 152,630.50 and 331,534.50 is: 720,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,630.50 : 331,534.50 = 331,534.50 : x
  2. Step 2: Convert to fraction form
    152,630.50/331,534.50 = 331,534.50/x
  3. Step 3: Cross multiply
    152,630.50x = 331,534.50 × 331,534.50
  4. Step 4: Simplify right side
    152,630.50x = 109,915,124,690.25
  5. Step 5: Solve for x
    x = 109,915,124,690.25/152,630.50
  6. Step 6: Final answer
    x = 720,138.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.