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Finding the Third Proportional to 885,505 and 1,328,450

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Solution

The third proportional to 885,505 and 1,328,450 is: 1,992,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,505 : 1,328,450 = 1,328,450 : x
  2. Step 2: Convert to fraction form
    885,505/1,328,450 = 1,328,450/x
  3. Step 3: Cross multiply
    885,505x = 1,328,450 × 1,328,450
  4. Step 4: Simplify right side
    885,505x = 1,764,779,402,500
  5. Step 5: Solve for x
    x = 1,764,779,402,500/885,505
  6. Step 6: Final answer
    x = 1,992,963.79

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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.