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Finding the Third Proportional to 996,872 and 2,186,748

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Solution

The third proportional to 996,872 and 2,186,748 is: 4,796,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,872 : 2,186,748 = 2,186,748 : x
  2. Step 2: Convert to fraction form
    996,872/2,186,748 = 2,186,748/x
  3. Step 3: Cross multiply
    996,872x = 2,186,748 × 2,186,748
  4. Step 4: Simplify right side
    996,872x = 4,781,866,815,504
  5. Step 5: Solve for x
    x = 4,781,866,815,504/996,872
  6. Step 6: Final answer
    x = 4,796,871.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.