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Finding the Third Proportional to 885,979 and 1,328,680

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Solution

The third proportional to 885,979 and 1,328,680 is: 1,992,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,979 : 1,328,680 = 1,328,680 : x
  2. Step 2: Convert to fraction form
    885,979/1,328,680 = 1,328,680/x
  3. Step 3: Cross multiply
    885,979x = 1,328,680 × 1,328,680
  4. Step 4: Simplify right side
    885,979x = 1,765,390,542,400
  5. Step 5: Solve for x
    x = 1,765,390,542,400/885,979
  6. Step 6: Final answer
    x = 1,992,587.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.