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Finding the Third Proportional to 38,246 and 55,085

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Solution

The third proportional to 38,246 and 55,085 is: 79,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,246 : 55,085 = 55,085 : x
  2. Step 2: Convert to fraction form
    38,246/55,085 = 55,085/x
  3. Step 3: Cross multiply
    38,246x = 55,085 × 55,085
  4. Step 4: Simplify right side
    38,246x = 3,034,357,225
  5. Step 5: Solve for x
    x = 3,034,357,225/38,246
  6. Step 6: Final answer
    x = 79,337.90

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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.