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Finding the Third Proportional to 798,540 and 1,713,912

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Solution

The third proportional to 798,540 and 1,713,912 is: 3,678,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,540 : 1,713,912 = 1,713,912 : x
  2. Step 2: Convert to fraction form
    798,540/1,713,912 = 1,713,912/x
  3. Step 3: Cross multiply
    798,540x = 1,713,912 × 1,713,912
  4. Step 4: Simplify right side
    798,540x = 2,937,494,343,744
  5. Step 5: Solve for x
    x = 2,937,494,343,744/798,540
  6. Step 6: Final answer
    x = 3,678,581.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.