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Finding the Third Proportional to 399,751.88 and 874,233.84

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Solution

The third proportional to 399,751.88 and 874,233.84 is: 1,911,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,751.88 : 874,233.84 = 874,233.84 : x
  2. Step 2: Convert to fraction form
    399,751.88/874,233.84 = 874,233.84/x
  3. Step 3: Cross multiply
    399,751.88x = 874,233.84 × 874,233.84
  4. Step 4: Simplify right side
    399,751.88x = 764,284,813,557.90
  5. Step 5: Solve for x
    x = 764,284,813,557.90/399,751.88
  6. Step 6: Final answer
    x = 1,911,898.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.