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Finding the Third Proportional to 7,301 and 11,015

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Solution

The third proportional to 7,301 and 11,015 is: 16,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301 : 11,015 = 11,015 : x
  2. Step 2: Convert to fraction form
    7,301/11,015 = 11,015/x
  3. Step 3: Cross multiply
    7,301x = 11,015 × 11,015
  4. Step 4: Simplify right side
    7,301x = 121,330,225
  5. Step 5: Solve for x
    x = 121,330,225/7,301
  6. Step 6: Final answer
    x = 16,618.30

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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.