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Finding the Third Proportional to 184,418 and 402,349

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Solution

The third proportional to 184,418 and 402,349 is: 877,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,418 : 402,349 = 402,349 : x
  2. Step 2: Convert to fraction form
    184,418/402,349 = 402,349/x
  3. Step 3: Cross multiply
    184,418x = 402,349 × 402,349
  4. Step 4: Simplify right side
    184,418x = 161,884,717,801
  5. Step 5: Solve for x
    x = 161,884,717,801/184,418
  6. Step 6: Final answer
    x = 877,814.08

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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.