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Finding the Third Proportional to 1,805,125.50 and 3,964,545

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Solution

The third proportional to 1,805,125.50 and 3,964,545 is: 8,707,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,125.50 : 3,964,545 = 3,964,545 : x
  2. Step 2: Convert to fraction form
    1,805,125.50/3,964,545 = 3,964,545/x
  3. Step 3: Cross multiply
    1,805,125.50x = 3,964,545 × 3,964,545
  4. Step 4: Simplify right side
    1,805,125.50x = 15,717,617,057,025
  5. Step 5: Solve for x
    x = 15,717,617,057,025/1,805,125.50
  6. Step 6: Final answer
    x = 8,707,215.68

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.