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Finding the Third Proportional to 56,300 and 79,185

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Solution

The third proportional to 56,300 and 79,185 is: 111,372.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,300 : 79,185 = 79,185 : x
  2. Step 2: Convert to fraction form
    56,300/79,185 = 79,185/x
  3. Step 3: Cross multiply
    56,300x = 79,185 × 79,185
  4. Step 4: Simplify right side
    56,300x = 6,270,264,225
  5. Step 5: Solve for x
    x = 6,270,264,225/56,300
  6. Step 6: Final answer
    x = 111,372.37

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.