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Finding the Third Proportional to 38,772 and 83,754

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Solution

The third proportional to 38,772 and 83,754 is: 180,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,772 : 83,754 = 83,754 : x
  2. Step 2: Convert to fraction form
    38,772/83,754 = 83,754/x
  3. Step 3: Cross multiply
    38,772x = 83,754 × 83,754
  4. Step 4: Simplify right side
    38,772x = 7,014,732,516
  5. Step 5: Solve for x
    x = 7,014,732,516/38,772
  6. Step 6: Final answer
    x = 180,922.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.