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Finding the Third Proportional to 30,069.75 and 65,265

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Solution

The third proportional to 30,069.75 and 65,265 is: 141,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.75 : 65,265 = 65,265 : x
  2. Step 2: Convert to fraction form
    30,069.75/65,265 = 65,265/x
  3. Step 3: Cross multiply
    30,069.75x = 65,265 × 65,265
  4. Step 4: Simplify right side
    30,069.75x = 4,259,520,225
  5. Step 5: Solve for x
    x = 4,259,520,225/30,069.75
  6. Step 6: Final answer
    x = 141,654.66

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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.