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Finding the Third Proportional to 184,408 and 402,328

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Solution

The third proportional to 184,408 and 402,328 is: 877,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,408 : 402,328 = 402,328 : x
  2. Step 2: Convert to fraction form
    184,408/402,328 = 402,328/x
  3. Step 3: Cross multiply
    184,408x = 402,328 × 402,328
  4. Step 4: Simplify right side
    184,408x = 161,867,819,584
  5. Step 5: Solve for x
    x = 161,867,819,584/184,408
  6. Step 6: Final answer
    x = 877,770.05

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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.