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Finding the Third Proportional to 30,520.55 and 63,379.97

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Solution

The third proportional to 30,520.55 and 63,379.97 is: 131,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,520.55 : 63,379.97 = 63,379.97 : x
  2. Step 2: Convert to fraction form
    30,520.55/63,379.97 = 63,379.97/x
  3. Step 3: Cross multiply
    30,520.55x = 63,379.97 × 63,379.97
  4. Step 4: Simplify right side
    30,520.55x = 4,017,020,438.75
  5. Step 5: Solve for x
    x = 4,017,020,438.75/30,520.55
  6. Step 6: Final answer
    x = 131,616.92

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.