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Finding the Third Proportional to 194,940 and 310,152

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Solution

The third proportional to 194,940 and 310,152 is: 493,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,940 : 310,152 = 310,152 : x
  2. Step 2: Convert to fraction form
    194,940/310,152 = 310,152/x
  3. Step 3: Cross multiply
    194,940x = 310,152 × 310,152
  4. Step 4: Simplify right side
    194,940x = 96,194,263,104
  5. Step 5: Solve for x
    x = 96,194,263,104/194,940
  6. Step 6: Final answer
    x = 493,455.75

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.