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Finding the Third Proportional to 366,358 and 787,958

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Solution

The third proportional to 366,358 and 787,958 is: 1,694,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,358 : 787,958 = 787,958 : x
  2. Step 2: Convert to fraction form
    366,358/787,958 = 787,958/x
  3. Step 3: Cross multiply
    366,358x = 787,958 × 787,958
  4. Step 4: Simplify right side
    366,358x = 620,877,809,764
  5. Step 5: Solve for x
    x = 620,877,809,764/366,358
  6. Step 6: Final answer
    x = 1,694,729.77

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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.