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Finding the Third Proportional to 38,865 and 83,676.50

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Solution

The third proportional to 38,865 and 83,676.50 is: 180,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,865 : 83,676.50 = 83,676.50 : x
  2. Step 2: Convert to fraction form
    38,865/83,676.50 = 83,676.50/x
  3. Step 3: Cross multiply
    38,865x = 83,676.50 × 83,676.50
  4. Step 4: Simplify right side
    38,865x = 7,001,756,652.25
  5. Step 5: Solve for x
    x = 7,001,756,652.25/38,865
  6. Step 6: Final answer
    x = 180,155.84

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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.