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Finding the Third Proportional to 25,240 and 38,176

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Solution

The third proportional to 25,240 and 38,176 is: 57,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,240 : 38,176 = 38,176 : x
  2. Step 2: Convert to fraction form
    25,240/38,176 = 38,176/x
  3. Step 3: Cross multiply
    25,240x = 38,176 × 38,176
  4. Step 4: Simplify right side
    25,240x = 1,457,406,976
  5. Step 5: Solve for x
    x = 1,457,406,976/25,240
  6. Step 6: Final answer
    x = 57,741.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.