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Finding the Third Proportional to 10,842.75 and 19,113.75

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Solution

The third proportional to 10,842.75 and 19,113.75 is: 33,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842.75 : 19,113.75 = 19,113.75 : x
  2. Step 2: Convert to fraction form
    10,842.75/19,113.75 = 19,113.75/x
  3. Step 3: Cross multiply
    10,842.75x = 19,113.75 × 19,113.75
  4. Step 4: Simplify right side
    10,842.75x = 365,335,439.06
  5. Step 5: Solve for x
    x = 365,335,439.06/10,842.75
  6. Step 6: Final answer
    x = 33,693.98

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.