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Finding the Third Proportional to 354,924 and 768,864

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Solution

The third proportional to 354,924 and 768,864 is: 1,665,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,924 : 768,864 = 768,864 : x
  2. Step 2: Convert to fraction form
    354,924/768,864 = 768,864/x
  3. Step 3: Cross multiply
    354,924x = 768,864 × 768,864
  4. Step 4: Simplify right side
    354,924x = 591,151,850,496
  5. Step 5: Solve for x
    x = 591,151,850,496/354,924
  6. Step 6: Final answer
    x = 1,665,573.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.