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Finding the Third Proportional to 195,213 and 426,228

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Solution

The third proportional to 195,213 and 426,228 is: 930,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,213 : 426,228 = 426,228 : x
  2. Step 2: Convert to fraction form
    195,213/426,228 = 426,228/x
  3. Step 3: Cross multiply
    195,213x = 426,228 × 426,228
  4. Step 4: Simplify right side
    195,213x = 181,670,307,984
  5. Step 5: Solve for x
    x = 181,670,307,984/195,213
  6. Step 6: Final answer
    x = 930,626.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.