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Finding the Third Proportional to 125,328 and 270,042

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Solution

The third proportional to 125,328 and 270,042 is: 581,854.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,328 : 270,042 = 270,042 : x
  2. Step 2: Convert to fraction form
    125,328/270,042 = 270,042/x
  3. Step 3: Cross multiply
    125,328x = 270,042 × 270,042
  4. Step 4: Simplify right side
    125,328x = 72,922,681,764
  5. Step 5: Solve for x
    x = 72,922,681,764/125,328
  6. Step 6: Final answer
    x = 581,854.67

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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.