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Finding the Third Proportional to 84,672 and 184,392

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Solution

The third proportional to 84,672 and 184,392 is: 401,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,672 : 184,392 = 184,392 : x
  2. Step 2: Convert to fraction form
    84,672/184,392 = 184,392/x
  3. Step 3: Cross multiply
    84,672x = 184,392 × 184,392
  4. Step 4: Simplify right side
    84,672x = 34,000,409,664
  5. Step 5: Solve for x
    x = 34,000,409,664/84,672
  6. Step 6: Final answer
    x = 401,554.35

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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.