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Finding the Third Proportional to 641,508 and 1,392,294

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Solution

The third proportional to 641,508 and 1,392,294 is: 3,021,759.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,508 : 1,392,294 = 1,392,294 : x
  2. Step 2: Convert to fraction form
    641,508/1,392,294 = 1,392,294/x
  3. Step 3: Cross multiply
    641,508x = 1,392,294 × 1,392,294
  4. Step 4: Simplify right side
    641,508x = 1,938,482,582,436
  5. Step 5: Solve for x
    x = 1,938,482,582,436/641,508
  6. Step 6: Final answer
    x = 3,021,759.02

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.