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Finding the Third Proportional to 351,819 and 829,691

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Solution

The third proportional to 351,819 and 829,691 is: 1,956,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,819 : 829,691 = 829,691 : x
  2. Step 2: Convert to fraction form
    351,819/829,691 = 829,691/x
  3. Step 3: Cross multiply
    351,819x = 829,691 × 829,691
  4. Step 4: Simplify right side
    351,819x = 688,387,155,481
  5. Step 5: Solve for x
    x = 688,387,155,481/351,819
  6. Step 6: Final answer
    x = 1,956,651.45

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.