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Finding the Third Proportional to 4,810 and 7,282

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Solution

The third proportional to 4,810 and 7,282 is: 11,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810 : 7,282 = 7,282 : x
  2. Step 2: Convert to fraction form
    4,810/7,282 = 7,282/x
  3. Step 3: Cross multiply
    4,810x = 7,282 × 7,282
  4. Step 4: Simplify right side
    4,810x = 53,027,524
  5. Step 5: Solve for x
    x = 53,027,524/4,810
  6. Step 6: Final answer
    x = 11,024.43

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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.