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Finding the Third Proportional to 4,840 and 11,290

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Solution

The third proportional to 4,840 and 11,290 is: 26,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840 : 11,290 = 11,290 : x
  2. Step 2: Convert to fraction form
    4,840/11,290 = 11,290/x
  3. Step 3: Cross multiply
    4,840x = 11,290 × 11,290
  4. Step 4: Simplify right side
    4,840x = 127,464,100
  5. Step 5: Solve for x
    x = 127,464,100/4,840
  6. Step 6: Final answer
    x = 26,335.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.