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Finding the Third Proportional to 11,127 and 14,917.50

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Solution

The third proportional to 11,127 and 14,917.50 is: 19,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127 : 14,917.50 = 14,917.50 : x
  2. Step 2: Convert to fraction form
    11,127/14,917.50 = 14,917.50/x
  3. Step 3: Cross multiply
    11,127x = 14,917.50 × 14,917.50
  4. Step 4: Simplify right side
    11,127x = 222,531,806.25
  5. Step 5: Solve for x
    x = 222,531,806.25/11,127
  6. Step 6: Final answer
    x = 19,999.26

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.