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Finding the Third Proportional to 921,304.69 and 1,993,519.13

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Solution

The third proportional to 921,304.69 and 1,993,519.13 is: 4,313,576.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,304.69 : 1,993,519.13 = 1,993,519.13 : x
  2. Step 2: Convert to fraction form
    921,304.69/1,993,519.13 = 1,993,519.13/x
  3. Step 3: Cross multiply
    921,304.69x = 1,993,519.13 × 1,993,519.13
  4. Step 4: Simplify right side
    921,304.69x = 3,974,118,501,740.77
  5. Step 5: Solve for x
    x = 3,974,118,501,740.77/921,304.69
  6. Step 6: Final answer
    x = 4,313,576.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.