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Finding the Third Proportional to 878,974.88 and 1,782,401.63

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Solution

The third proportional to 878,974.88 and 1,782,401.63 is: 3,614,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,974.88 : 1,782,401.63 = 1,782,401.63 : x
  2. Step 2: Convert to fraction form
    878,974.88/1,782,401.63 = 1,782,401.63/x
  3. Step 3: Cross multiply
    878,974.88x = 1,782,401.63 × 1,782,401.63
  4. Step 4: Simplify right side
    878,974.88x = 3,176,955,552,802.64
  5. Step 5: Solve for x
    x = 3,176,955,552,802.64/878,974.88
  6. Step 6: Final answer
    x = 3,614,387.22

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.