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Finding the Third Proportional to 879,498 and 1,916,379

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Solution

The third proportional to 879,498 and 1,916,379 is: 4,175,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,498 : 1,916,379 = 1,916,379 : x
  2. Step 2: Convert to fraction form
    879,498/1,916,379 = 1,916,379/x
  3. Step 3: Cross multiply
    879,498x = 1,916,379 × 1,916,379
  4. Step 4: Simplify right side
    879,498x = 3,672,508,471,641
  5. Step 5: Solve for x
    x = 3,672,508,471,641/879,498
  6. Step 6: Final answer
    x = 4,175,687.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.