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Finding the Third Proportional to 30,284 and 64,176

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Solution

The third proportional to 30,284 and 64,176 is: 135,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284 : 64,176 = 64,176 : x
  2. Step 2: Convert to fraction form
    30,284/64,176 = 64,176/x
  3. Step 3: Cross multiply
    30,284x = 64,176 × 64,176
  4. Step 4: Simplify right side
    30,284x = 4,118,558,976
  5. Step 5: Solve for x
    x = 4,118,558,976/30,284
  6. Step 6: Final answer
    x = 135,997.85

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.