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Finding the Third Proportional to 176,321 and 379,156

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Solution

The third proportional to 176,321 and 379,156 is: 815,327.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,321 : 379,156 = 379,156 : x
  2. Step 2: Convert to fraction form
    176,321/379,156 = 379,156/x
  3. Step 3: Cross multiply
    176,321x = 379,156 × 379,156
  4. Step 4: Simplify right side
    176,321x = 143,759,272,336
  5. Step 5: Solve for x
    x = 143,759,272,336/176,321
  6. Step 6: Final answer
    x = 815,327.00

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.