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Finding the Third Proportional to 885,498 and 1,328,439

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Solution

The third proportional to 885,498 and 1,328,439 is: 1,992,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,498 : 1,328,439 = 1,328,439 : x
  2. Step 2: Convert to fraction form
    885,498/1,328,439 = 1,328,439/x
  3. Step 3: Cross multiply
    885,498x = 1,328,439 × 1,328,439
  4. Step 4: Simplify right side
    885,498x = 1,764,750,176,721
  5. Step 5: Solve for x
    x = 1,764,750,176,721/885,498
  6. Step 6: Final answer
    x = 1,992,946.54

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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.