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Finding the Third Proportional to 9,927 and 14,242.50

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Solution

The third proportional to 9,927 and 14,242.50 is: 20,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927 : 14,242.50 = 14,242.50 : x
  2. Step 2: Convert to fraction form
    9,927/14,242.50 = 14,242.50/x
  3. Step 3: Cross multiply
    9,927x = 14,242.50 × 14,242.50
  4. Step 4: Simplify right side
    9,927x = 202,848,806.25
  5. Step 5: Solve for x
    x = 202,848,806.25/9,927
  6. Step 6: Final answer
    x = 20,434.05

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.