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Finding the Third Proportional to 13,230 and 19,113.75

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Solution

The third proportional to 13,230 and 19,113.75 is: 27,614.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230 : 19,113.75 = 19,113.75 : x
  2. Step 2: Convert to fraction form
    13,230/19,113.75 = 19,113.75/x
  3. Step 3: Cross multiply
    13,230x = 19,113.75 × 19,113.75
  4. Step 4: Simplify right side
    13,230x = 365,335,439.06
  5. Step 5: Solve for x
    x = 365,335,439.06/13,230
  6. Step 6: Final answer
    x = 27,614.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.