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Finding the Third Proportional to 188,672 and 411,040

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Solution

The third proportional to 188,672 and 411,040 is: 895,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,672 : 411,040 = 411,040 : x
  2. Step 2: Convert to fraction form
    188,672/411,040 = 411,040/x
  3. Step 3: Cross multiply
    188,672x = 411,040 × 411,040
  4. Step 4: Simplify right side
    188,672x = 168,953,881,600
  5. Step 5: Solve for x
    x = 168,953,881,600/188,672
  6. Step 6: Final answer
    x = 895,489.96

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.