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Finding the Third Proportional to 375,894 and 782,890

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Solution

The third proportional to 375,894 and 782,890 is: 1,630,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,894 : 782,890 = 782,890 : x
  2. Step 2: Convert to fraction form
    375,894/782,890 = 782,890/x
  3. Step 3: Cross multiply
    375,894x = 782,890 × 782,890
  4. Step 4: Simplify right side
    375,894x = 612,916,752,100
  5. Step 5: Solve for x
    x = 612,916,752,100/375,894
  6. Step 6: Final answer
    x = 1,630,557.42

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.