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Finding the Third Proportional to 27,207 and 38,947.50

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Solution

The third proportional to 27,207 and 38,947.50 is: 55,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,207 : 38,947.50 = 38,947.50 : x
  2. Step 2: Convert to fraction form
    27,207/38,947.50 = 38,947.50/x
  3. Step 3: Cross multiply
    27,207x = 38,947.50 × 38,947.50
  4. Step 4: Simplify right side
    27,207x = 1,516,907,756.25
  5. Step 5: Solve for x
    x = 1,516,907,756.25/27,207
  6. Step 6: Final answer
    x = 55,754.32

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.