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Finding the Third Proportional to 855,716 and 1,330,374

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Solution

The third proportional to 855,716 and 1,330,374 is: 2,068,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,716 : 1,330,374 = 1,330,374 : x
  2. Step 2: Convert to fraction form
    855,716/1,330,374 = 1,330,374/x
  3. Step 3: Cross multiply
    855,716x = 1,330,374 × 1,330,374
  4. Step 4: Simplify right side
    855,716x = 1,769,894,979,876
  5. Step 5: Solve for x
    x = 1,769,894,979,876/855,716
  6. Step 6: Final answer
    x = 2,068,320.54

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.