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Finding the Third Proportional to 38,120 and 83,624

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Solution

The third proportional to 38,120 and 83,624 is: 183,446.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,120 : 83,624 = 83,624 : x
  2. Step 2: Convert to fraction form
    38,120/83,624 = 83,624/x
  3. Step 3: Cross multiply
    38,120x = 83,624 × 83,624
  4. Step 4: Simplify right side
    38,120x = 6,992,973,376
  5. Step 5: Solve for x
    x = 6,992,973,376/38,120
  6. Step 6: Final answer
    x = 183,446.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.