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Finding the Third Proportional to 1,597,391.25 and 3,438,359.63

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Solution

The third proportional to 1,597,391.25 and 3,438,359.63 is: 7,401,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597,391.25 : 3,438,359.63 = 3,438,359.63 : x
  2. Step 2: Convert to fraction form
    1,597,391.25/3,438,359.63 = 3,438,359.63/x
  3. Step 3: Cross multiply
    1,597,391.25x = 3,438,359.63 × 3,438,359.63
  4. Step 4: Simplify right side
    1,597,391.25x = 11,822,316,910,830.14
  5. Step 5: Solve for x
    x = 11,822,316,910,830.14/1,597,391.25
  6. Step 6: Final answer
    x = 7,401,015.19

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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.