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Finding the Third Proportional to 184,830 and 278,559

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Solution

The third proportional to 184,830 and 278,559 is: 419,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,830 : 278,559 = 278,559 : x
  2. Step 2: Convert to fraction form
    184,830/278,559 = 278,559/x
  3. Step 3: Cross multiply
    184,830x = 278,559 × 278,559
  4. Step 4: Simplify right side
    184,830x = 77,595,116,481
  5. Step 5: Solve for x
    x = 77,595,116,481/184,830
  6. Step 6: Final answer
    x = 419,818.84

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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.