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Finding the Third Proportional to 1,548,726.75 and 2,177,059.78

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Solution

The third proportional to 1,548,726.75 and 2,177,059.78 is: 3,060,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,726.75 : 2,177,059.78 = 2,177,059.78 : x
  2. Step 2: Convert to fraction form
    1,548,726.75/2,177,059.78 = 2,177,059.78/x
  3. Step 3: Cross multiply
    1,548,726.75x = 2,177,059.78 × 2,177,059.78
  4. Step 4: Simplify right side
    1,548,726.75x = 4,739,589,291,136.30
  5. Step 5: Solve for x
    x = 4,739,589,291,136.30/1,548,726.75
  6. Step 6: Final answer
    x = 3,060,313.44

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.