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Finding the Third Proportional to 38,484 and 82,584

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Solution

The third proportional to 38,484 and 82,584 is: 177,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,484 : 82,584 = 82,584 : x
  2. Step 2: Convert to fraction form
    38,484/82,584 = 82,584/x
  3. Step 3: Cross multiply
    38,484x = 82,584 × 82,584
  4. Step 4: Simplify right side
    38,484x = 6,820,117,056
  5. Step 5: Solve for x
    x = 6,820,117,056/38,484
  6. Step 6: Final answer
    x = 177,219.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.