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Finding the Third Proportional to 84,034 and 130,103

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Solution

The third proportional to 84,034 and 130,103 is: 201,427.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,034 : 130,103 = 130,103 : x
  2. Step 2: Convert to fraction form
    84,034/130,103 = 130,103/x
  3. Step 3: Cross multiply
    84,034x = 130,103 × 130,103
  4. Step 4: Simplify right side
    84,034x = 16,926,790,609
  5. Step 5: Solve for x
    x = 16,926,790,609/84,034
  6. Step 6: Final answer
    x = 201,427.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.