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Finding the Third Proportional to 1,765,477.88 and 2,728,077.75

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Solution

The third proportional to 1,765,477.88 and 2,728,077.75 is: 4,215,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,477.88 : 2,728,077.75 = 2,728,077.75 : x
  2. Step 2: Convert to fraction form
    1,765,477.88/2,728,077.75 = 2,728,077.75/x
  3. Step 3: Cross multiply
    1,765,477.88x = 2,728,077.75 × 2,728,077.75
  4. Step 4: Simplify right side
    1,765,477.88x = 7,442,408,210,045.06
  5. Step 5: Solve for x
    x = 7,442,408,210,045.06/1,765,477.88
  6. Step 6: Final answer
    x = 4,215,520.52

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.