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Finding the Third Proportional to 38,065 and 54,102.50

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Solution

The third proportional to 38,065 and 54,102.50 is: 76,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,065 : 54,102.50 = 54,102.50 : x
  2. Step 2: Convert to fraction form
    38,065/54,102.50 = 54,102.50/x
  3. Step 3: Cross multiply
    38,065x = 54,102.50 × 54,102.50
  4. Step 4: Simplify right side
    38,065x = 2,927,080,506.25
  5. Step 5: Solve for x
    x = 2,927,080,506.25/38,065
  6. Step 6: Final answer
    x = 76,896.90

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.