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Finding the Third Proportional to 19,149 and 27,580.50

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Solution

The third proportional to 19,149 and 27,580.50 is: 39,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149 : 27,580.50 = 27,580.50 : x
  2. Step 2: Convert to fraction form
    19,149/27,580.50 = 27,580.50/x
  3. Step 3: Cross multiply
    19,149x = 27,580.50 × 27,580.50
  4. Step 4: Simplify right side
    19,149x = 760,683,980.25
  5. Step 5: Solve for x
    x = 760,683,980.25/19,149
  6. Step 6: Final answer
    x = 39,724.48

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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.