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Finding the Third Proportional to 1,551,229.50 and 3,408,567.75

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Solution

The third proportional to 1,551,229.50 and 3,408,567.75 is: 7,489,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,229.50 : 3,408,567.75 = 3,408,567.75 : x
  2. Step 2: Convert to fraction form
    1,551,229.50/3,408,567.75 = 3,408,567.75/x
  3. Step 3: Cross multiply
    1,551,229.50x = 3,408,567.75 × 3,408,567.75
  4. Step 4: Simplify right side
    1,551,229.50x = 11,618,334,106,340.06
  5. Step 5: Solve for x
    x = 11,618,334,106,340.06/1,551,229.50
  6. Step 6: Final answer
    x = 7,489,758.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.