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Finding the Third Proportional to 100,395 and 133,842

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Solution

The third proportional to 100,395 and 133,842 is: 178,432.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,395 : 133,842 = 133,842 : x
  2. Step 2: Convert to fraction form
    100,395/133,842 = 133,842/x
  3. Step 3: Cross multiply
    100,395x = 133,842 × 133,842
  4. Step 4: Simplify right side
    100,395x = 17,913,680,964
  5. Step 5: Solve for x
    x = 17,913,680,964/100,395
  6. Step 6: Final answer
    x = 178,432.00

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.