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Finding the Third Proportional to 236,520 and 357,228

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Solution

The third proportional to 236,520 and 357,228 is: 539,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,520 : 357,228 = 357,228 : x
  2. Step 2: Convert to fraction form
    236,520/357,228 = 357,228/x
  3. Step 3: Cross multiply
    236,520x = 357,228 × 357,228
  4. Step 4: Simplify right side
    236,520x = 127,611,843,984
  5. Step 5: Solve for x
    x = 127,611,843,984/236,520
  6. Step 6: Final answer
    x = 539,539.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.