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Finding the Third Proportional to 30,125 and 65,164

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Solution

The third proportional to 30,125 and 65,164 is: 140,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,125 : 65,164 = 65,164 : x
  2. Step 2: Convert to fraction form
    30,125/65,164 = 65,164/x
  3. Step 3: Cross multiply
    30,125x = 65,164 × 65,164
  4. Step 4: Simplify right side
    30,125x = 4,246,346,896
  5. Step 5: Solve for x
    x = 4,246,346,896/30,125
  6. Step 6: Final answer
    x = 140,957.57

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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.