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Finding the Third Proportional to 30,755 and 66,337

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Solution

The third proportional to 30,755 and 66,337 is: 143,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755 : 66,337 = 66,337 : x
  2. Step 2: Convert to fraction form
    30,755/66,337 = 66,337/x
  3. Step 3: Cross multiply
    30,755x = 66,337 × 66,337
  4. Step 4: Simplify right side
    30,755x = 4,400,597,569
  5. Step 5: Solve for x
    x = 4,400,597,569/30,755
  6. Step 6: Final answer
    x = 143,085.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.