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Finding the Third Proportional to 129,839.63 and 195,613.88

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Solution

The third proportional to 129,839.63 and 195,613.88 is: 294,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,839.63 : 195,613.88 = 195,613.88 : x
  2. Step 2: Convert to fraction form
    129,839.63/195,613.88 = 195,613.88/x
  3. Step 3: Cross multiply
    129,839.63x = 195,613.88 × 195,613.88
  4. Step 4: Simplify right side
    129,839.63x = 38,264,788,092.52
  5. Step 5: Solve for x
    x = 38,264,788,092.52/129,839.63
  6. Step 6: Final answer
    x = 294,708.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.