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Finding the Third Proportional to 3,069,520.88 and 5,115,559.50

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Solution

The third proportional to 3,069,520.88 and 5,115,559.50 is: 8,525,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069,520.88 : 5,115,559.50 = 5,115,559.50 : x
  2. Step 2: Convert to fraction form
    3,069,520.88/5,115,559.50 = 5,115,559.50/x
  3. Step 3: Cross multiply
    3,069,520.88x = 5,115,559.50 × 5,115,559.50
  4. Step 4: Simplify right side
    3,069,520.88x = 26,168,948,998,040.25
  5. Step 5: Solve for x
    x = 26,168,948,998,040.25/3,069,520.88
  6. Step 6: Final answer
    x = 8,525,418.16

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.