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Finding the Third Proportional to 19,109 and 29,527.50

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Solution

The third proportional to 19,109 and 29,527.50 is: 45,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109 : 29,527.50 = 29,527.50 : x
  2. Step 2: Convert to fraction form
    19,109/29,527.50 = 29,527.50/x
  3. Step 3: Cross multiply
    19,109x = 29,527.50 × 29,527.50
  4. Step 4: Simplify right side
    19,109x = 871,873,256.25
  5. Step 5: Solve for x
    x = 871,873,256.25/19,109
  6. Step 6: Final answer
    x = 45,626.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.