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Finding the Third Proportional to 424,486 and 930,620

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Solution

The third proportional to 424,486 and 930,620 is: 2,040,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,486 : 930,620 = 930,620 : x
  2. Step 2: Convert to fraction form
    424,486/930,620 = 930,620/x
  3. Step 3: Cross multiply
    424,486x = 930,620 × 930,620
  4. Step 4: Simplify right side
    424,486x = 866,053,584,400
  5. Step 5: Solve for x
    x = 866,053,584,400/424,486
  6. Step 6: Final answer
    x = 2,040,240.63

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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.