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Finding the Third Proportional to 9,417.75 and 13,842.75

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Solution

The third proportional to 9,417.75 and 13,842.75 is: 20,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.75 : 13,842.75 = 13,842.75 : x
  2. Step 2: Convert to fraction form
    9,417.75/13,842.75 = 13,842.75/x
  3. Step 3: Cross multiply
    9,417.75x = 13,842.75 × 13,842.75
  4. Step 4: Simplify right side
    9,417.75x = 191,621,727.56
  5. Step 5: Solve for x
    x = 191,621,727.56/9,417.75
  6. Step 6: Final answer
    x = 20,346.87

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.