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Finding the Third Proportional to 429,763 and 910,751

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Solution

The third proportional to 429,763 and 910,751 is: 1,930,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,763 : 910,751 = 910,751 : x
  2. Step 2: Convert to fraction form
    429,763/910,751 = 910,751/x
  3. Step 3: Cross multiply
    429,763x = 910,751 × 910,751
  4. Step 4: Simplify right side
    429,763x = 829,467,384,001
  5. Step 5: Solve for x
    x = 829,467,384,001/429,763
  6. Step 6: Final answer
    x = 1,930,057.69

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.