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Finding the Third Proportional to 187,333.13 and 281,005.50

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Solution

The third proportional to 187,333.13 and 281,005.50 is: 421,516.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,333.13 : 281,005.50 = 281,005.50 : x
  2. Step 2: Convert to fraction form
    187,333.13/281,005.50 = 281,005.50/x
  3. Step 3: Cross multiply
    187,333.13x = 281,005.50 × 281,005.50
  4. Step 4: Simplify right side
    187,333.13x = 78,964,091,030.25
  5. Step 5: Solve for x
    x = 78,964,091,030.25/187,333.13
  6. Step 6: Final answer
    x = 421,516.97

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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.