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Finding the Third Proportional to 7,110 and 14,881.50

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Solution

The third proportional to 7,110 and 14,881.50 is: 31,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110 : 14,881.50 = 14,881.50 : x
  2. Step 2: Convert to fraction form
    7,110/14,881.50 = 14,881.50/x
  3. Step 3: Cross multiply
    7,110x = 14,881.50 × 14,881.50
  4. Step 4: Simplify right side
    7,110x = 221,459,042.25
  5. Step 5: Solve for x
    x = 221,459,042.25/7,110
  6. Step 6: Final answer
    x = 31,147.54

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.