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Finding the Third Proportional to 279,552 and 442,848

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Solution

The third proportional to 279,552 and 442,848 is: 701,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,552 : 442,848 = 442,848 : x
  2. Step 2: Convert to fraction form
    279,552/442,848 = 442,848/x
  3. Step 3: Cross multiply
    279,552x = 442,848 × 442,848
  4. Step 4: Simplify right side
    279,552x = 196,114,351,104
  5. Step 5: Solve for x
    x = 196,114,351,104/279,552
  6. Step 6: Final answer
    x = 701,530.85

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.