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Finding the Third Proportional to 160,275 and 253,791.50

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Solution

The third proportional to 160,275 and 253,791.50 is: 401,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,275 : 253,791.50 = 253,791.50 : x
  2. Step 2: Convert to fraction form
    160,275/253,791.50 = 253,791.50/x
  3. Step 3: Cross multiply
    160,275x = 253,791.50 × 253,791.50
  4. Step 4: Simplify right side
    160,275x = 64,410,125,472.25
  5. Step 5: Solve for x
    x = 64,410,125,472.25/160,275
  6. Step 6: Final answer
    x = 401,872.57

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.