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Finding the Third Proportional to 268,216 and 575,376

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Solution

The third proportional to 268,216 and 575,376 is: 1,234,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,216 : 575,376 = 575,376 : x
  2. Step 2: Convert to fraction form
    268,216/575,376 = 575,376/x
  3. Step 3: Cross multiply
    268,216x = 575,376 × 575,376
  4. Step 4: Simplify right side
    268,216x = 331,057,541,376
  5. Step 5: Solve for x
    x = 331,057,541,376/268,216
  6. Step 6: Final answer
    x = 1,234,294.53

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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.