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Finding the Third Proportional to 86,613 and 195,630

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Solution

The third proportional to 86,613 and 195,630 is: 441,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,613 : 195,630 = 195,630 : x
  2. Step 2: Convert to fraction form
    86,613/195,630 = 195,630/x
  3. Step 3: Cross multiply
    86,613x = 195,630 × 195,630
  4. Step 4: Simplify right side
    86,613x = 38,271,096,900
  5. Step 5: Solve for x
    x = 38,271,096,900/86,613
  6. Step 6: Final answer
    x = 441,863.19

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.