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Finding the Third Proportional to 30,591 and 63,085

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Solution

The third proportional to 30,591 and 63,085 is: 130,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591 : 63,085 = 63,085 : x
  2. Step 2: Convert to fraction form
    30,591/63,085 = 63,085/x
  3. Step 3: Cross multiply
    30,591x = 63,085 × 63,085
  4. Step 4: Simplify right side
    30,591x = 3,979,717,225
  5. Step 5: Solve for x
    x = 3,979,717,225/30,591
  6. Step 6: Final answer
    x = 130,094.38

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.