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Finding the Third Proportional to 194,787 and 292,180

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Solution

The third proportional to 194,787 and 292,180 is: 438,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,787 : 292,180 = 292,180 : x
  2. Step 2: Convert to fraction form
    194,787/292,180 = 292,180/x
  3. Step 3: Cross multiply
    194,787x = 292,180 × 292,180
  4. Step 4: Simplify right side
    194,787x = 85,369,152,400
  5. Step 5: Solve for x
    x = 85,369,152,400/194,787
  6. Step 6: Final answer
    x = 438,269.25

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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.