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Finding the Third Proportional to 83,600 and 129,504

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Solution

The third proportional to 83,600 and 129,504 is: 200,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,600 : 129,504 = 129,504 : x
  2. Step 2: Convert to fraction form
    83,600/129,504 = 129,504/x
  3. Step 3: Cross multiply
    83,600x = 129,504 × 129,504
  4. Step 4: Simplify right side
    83,600x = 16,771,286,016
  5. Step 5: Solve for x
    x = 16,771,286,016/83,600
  6. Step 6: Final answer
    x = 200,613.47

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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.