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Finding the Third Proportional to 513,616.69 and 798,401.06

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Solution

The third proportional to 513,616.69 and 798,401.06 is: 1,241,089.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,616.69 : 798,401.06 = 798,401.06 : x
  2. Step 2: Convert to fraction form
    513,616.69/798,401.06 = 798,401.06/x
  3. Step 3: Cross multiply
    513,616.69x = 798,401.06 × 798,401.06
  4. Step 4: Simplify right side
    513,616.69x = 637,444,256,601.13
  5. Step 5: Solve for x
    x = 637,444,256,601.13/513,616.69
  6. Step 6: Final answer
    x = 1,241,089.46

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.