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Finding the Third Proportional to 160,827.75 and 353,178

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Solution

The third proportional to 160,827.75 and 353,178 is: 775,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,827.75 : 353,178 = 353,178 : x
  2. Step 2: Convert to fraction form
    160,827.75/353,178 = 353,178/x
  3. Step 3: Cross multiply
    160,827.75x = 353,178 × 353,178
  4. Step 4: Simplify right side
    160,827.75x = 124,734,699,684
  5. Step 5: Solve for x
    x = 124,734,699,684/160,827.75
  6. Step 6: Final answer
    x = 775,579.46

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.