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Finding the Third Proportional to 103,613 and 155,708

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Solution

The third proportional to 103,613 and 155,708 is: 233,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,613 : 155,708 = 155,708 : x
  2. Step 2: Convert to fraction form
    103,613/155,708 = 155,708/x
  3. Step 3: Cross multiply
    103,613x = 155,708 × 155,708
  4. Step 4: Simplify right side
    103,613x = 24,244,981,264
  5. Step 5: Solve for x
    x = 24,244,981,264/103,613
  6. Step 6: Final answer
    x = 233,995.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.