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Finding the Third Proportional to 184,730 and 397,711

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Solution

The third proportional to 184,730 and 397,711 is: 856,244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,730 : 397,711 = 397,711 : x
  2. Step 2: Convert to fraction form
    184,730/397,711 = 397,711/x
  3. Step 3: Cross multiply
    184,730x = 397,711 × 397,711
  4. Step 4: Simplify right side
    184,730x = 158,174,039,521
  5. Step 5: Solve for x
    x = 158,174,039,521/184,730
  6. Step 6: Final answer
    x = 856,244.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.