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Finding the Third Proportional to 1,992,722.50 and 2,796,182.25

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Solution

The third proportional to 1,992,722.50 and 2,796,182.25 is: 3,923,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,722.50 : 2,796,182.25 = 2,796,182.25 : x
  2. Step 2: Convert to fraction form
    1,992,722.50/2,796,182.25 = 2,796,182.25/x
  3. Step 3: Cross multiply
    1,992,722.50x = 2,796,182.25 × 2,796,182.25
  4. Step 4: Simplify right side
    1,992,722.50x = 7,818,635,175,215.06
  5. Step 5: Solve for x
    x = 7,818,635,175,215.06/1,992,722.50
  6. Step 6: Final answer
    x = 3,923,594.57

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.