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Finding the Third Proportional to 187,956 and 405,253.13

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Solution

The third proportional to 187,956 and 405,253.13 is: 873,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,956 : 405,253.13 = 405,253.13 : x
  2. Step 2: Convert to fraction form
    187,956/405,253.13 = 405,253.13/x
  3. Step 3: Cross multiply
    187,956x = 405,253.13 × 405,253.13
  4. Step 4: Simplify right side
    187,956x = 164,230,095,322.27
  5. Step 5: Solve for x
    x = 164,230,095,322.27/187,956
  6. Step 6: Final answer
    x = 873,768.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.