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Finding the Third Proportional to 7,158 and 11,014

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Solution

The third proportional to 7,158 and 11,014 is: 16,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158 : 11,014 = 11,014 : x
  2. Step 2: Convert to fraction form
    7,158/11,014 = 11,014/x
  3. Step 3: Cross multiply
    7,158x = 11,014 × 11,014
  4. Step 4: Simplify right side
    7,158x = 121,308,196
  5. Step 5: Solve for x
    x = 121,308,196/7,158
  6. Step 6: Final answer
    x = 16,947.22

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.