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Finding the Third Proportional to 910,699 and 1,959,165

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Solution

The third proportional to 910,699 and 1,959,165 is: 4,214,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,699 : 1,959,165 = 1,959,165 : x
  2. Step 2: Convert to fraction form
    910,699/1,959,165 = 1,959,165/x
  3. Step 3: Cross multiply
    910,699x = 1,959,165 × 1,959,165
  4. Step 4: Simplify right side
    910,699x = 3,838,327,497,225
  5. Step 5: Solve for x
    x = 3,838,327,497,225/910,699
  6. Step 6: Final answer
    x = 4,214,704.86

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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.