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Finding the Third Proportional to 184,483 and 278,418

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Solution

The third proportional to 184,483 and 278,418 is: 420,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,483 : 278,418 = 278,418 : x
  2. Step 2: Convert to fraction form
    184,483/278,418 = 278,418/x
  3. Step 3: Cross multiply
    184,483x = 278,418 × 278,418
  4. Step 4: Simplify right side
    184,483x = 77,516,582,724
  5. Step 5: Solve for x
    x = 77,516,582,724/184,483
  6. Step 6: Final answer
    x = 420,182.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.