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Finding the Third Proportional to 353,824 and 529,440

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Solution

The third proportional to 353,824 and 529,440 is: 792,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,824 : 529,440 = 529,440 : x
  2. Step 2: Convert to fraction form
    353,824/529,440 = 529,440/x
  3. Step 3: Cross multiply
    353,824x = 529,440 × 529,440
  4. Step 4: Simplify right side
    353,824x = 280,306,713,600
  5. Step 5: Solve for x
    x = 280,306,713,600/353,824
  6. Step 6: Final answer
    x = 792,220.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.