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Finding the Third Proportional to 921,912.75 and 1,995,455.25

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Solution

The third proportional to 921,912.75 and 1,995,455.25 is: 4,319,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,912.75 : 1,995,455.25 = 1,995,455.25 : x
  2. Step 2: Convert to fraction form
    921,912.75/1,995,455.25 = 1,995,455.25/x
  3. Step 3: Cross multiply
    921,912.75x = 1,995,455.25 × 1,995,455.25
  4. Step 4: Simplify right side
    921,912.75x = 3,981,841,654,752.56
  5. Step 5: Solve for x
    x = 3,981,841,654,752.56/921,912.75
  6. Step 6: Final answer
    x = 4,319,109.00

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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.