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Finding the Third Proportional to 778,401.14 and 1,673,208.77

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Solution

The third proportional to 778,401.14 and 1,673,208.77 is: 3,596,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,401.14 : 1,673,208.77 = 1,673,208.77 : x
  2. Step 2: Convert to fraction form
    778,401.14/1,673,208.77 = 1,673,208.77/x
  3. Step 3: Cross multiply
    778,401.14x = 1,673,208.77 × 1,673,208.77
  4. Step 4: Simplify right side
    778,401.14x = 2,799,627,599,507.89
  5. Step 5: Solve for x
    x = 2,799,627,599,507.89/778,401.14
  6. Step 6: Final answer
    x = 3,596,638.61

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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.