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Finding the Third Proportional to 30,165 and 64,933

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Solution

The third proportional to 30,165 and 64,933 is: 139,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165 : 64,933 = 64,933 : x
  2. Step 2: Convert to fraction form
    30,165/64,933 = 64,933/x
  3. Step 3: Cross multiply
    30,165x = 64,933 × 64,933
  4. Step 4: Simplify right side
    30,165x = 4,216,294,489
  5. Step 5: Solve for x
    x = 4,216,294,489/30,165
  6. Step 6: Final answer
    x = 139,774.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.