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Finding the Third Proportional to 84,432 and 184,416

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Solution

The third proportional to 84,432 and 184,416 is: 402,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,432 : 184,416 = 184,416 : x
  2. Step 2: Convert to fraction form
    84,432/184,416 = 184,416/x
  3. Step 3: Cross multiply
    84,432x = 184,416 × 184,416
  4. Step 4: Simplify right side
    84,432x = 34,009,261,056
  5. Step 5: Solve for x
    x = 34,009,261,056/84,432
  6. Step 6: Final answer
    x = 402,800.61

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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.