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Finding the Third Proportional to 1,217,682 and 1,910,115

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Solution

The third proportional to 1,217,682 and 1,910,115 is: 2,996,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,682 : 1,910,115 = 1,910,115 : x
  2. Step 2: Convert to fraction form
    1,217,682/1,910,115 = 1,910,115/x
  3. Step 3: Cross multiply
    1,217,682x = 1,910,115 × 1,910,115
  4. Step 4: Simplify right side
    1,217,682x = 3,648,539,313,225
  5. Step 5: Solve for x
    x = 3,648,539,313,225/1,217,682
  6. Step 6: Final answer
    x = 2,996,298.96

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.