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Finding the Third Proportional to 38,939 and 84,714

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Solution

The third proportional to 38,939 and 84,714 is: 184,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,939 : 84,714 = 84,714 : x
  2. Step 2: Convert to fraction form
    38,939/84,714 = 84,714/x
  3. Step 3: Cross multiply
    38,939x = 84,714 × 84,714
  4. Step 4: Simplify right side
    38,939x = 7,176,461,796
  5. Step 5: Solve for x
    x = 7,176,461,796/38,939
  6. Step 6: Final answer
    x = 184,300.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.