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Finding the Third Proportional to 885,480 and 1,328,412

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Solution

The third proportional to 885,480 and 1,328,412 is: 1,992,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,480 : 1,328,412 = 1,328,412 : x
  2. Step 2: Convert to fraction form
    885,480/1,328,412 = 1,328,412/x
  3. Step 3: Cross multiply
    885,480x = 1,328,412 × 1,328,412
  4. Step 4: Simplify right side
    885,480x = 1,764,678,441,744
  5. Step 5: Solve for x
    x = 1,764,678,441,744/885,480
  6. Step 6: Final answer
    x = 1,992,906.04

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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.