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Finding the Third Proportional to 38,924 and 83,380

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Solution

The third proportional to 38,924 and 83,380 is: 178,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,924 : 83,380 = 83,380 : x
  2. Step 2: Convert to fraction form
    38,924/83,380 = 83,380/x
  3. Step 3: Cross multiply
    38,924x = 83,380 × 83,380
  4. Step 4: Simplify right side
    38,924x = 6,952,224,400
  5. Step 5: Solve for x
    x = 6,952,224,400/38,924
  6. Step 6: Final answer
    x = 178,610.23

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.