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Finding the Third Proportional to 996,913 and 2,176,531

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Solution

The third proportional to 996,913 and 2,176,531 is: 4,751,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,913 : 2,176,531 = 2,176,531 : x
  2. Step 2: Convert to fraction form
    996,913/2,176,531 = 2,176,531/x
  3. Step 3: Cross multiply
    996,913x = 2,176,531 × 2,176,531
  4. Step 4: Simplify right side
    996,913x = 4,737,287,193,961
  5. Step 5: Solve for x
    x = 4,737,287,193,961/996,913
  6. Step 6: Final answer
    x = 4,751,956.48

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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.