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Finding the Third Proportional to 915,393.94 and 1,993,523.63

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Solution

The third proportional to 915,393.94 and 1,993,523.63 is: 4,341,449.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,393.94 : 1,993,523.63 = 1,993,523.63 : x
  2. Step 2: Convert to fraction form
    915,393.94/1,993,523.63 = 1,993,523.63/x
  3. Step 3: Cross multiply
    915,393.94x = 1,993,523.63 × 1,993,523.63
  4. Step 4: Simplify right side
    915,393.94x = 3,974,136,443,433.14
  5. Step 5: Solve for x
    x = 3,974,136,443,433.14/915,393.94
  6. Step 6: Final answer
    x = 4,341,449.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.