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Finding the Third Proportional to 5,466,433.50 and 8,486,147.25

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Solution

The third proportional to 5,466,433.50 and 8,486,147.25 is: 13,173,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466,433.50 : 8,486,147.25 = 8,486,147.25 : x
  2. Step 2: Convert to fraction form
    5,466,433.50/8,486,147.25 = 8,486,147.25/x
  3. Step 3: Cross multiply
    5,466,433.50x = 8,486,147.25 × 8,486,147.25
  4. Step 4: Simplify right side
    5,466,433.50x = 72,014,695,148,682.56
  5. Step 5: Solve for x
    x = 72,014,695,148,682.56/5,466,433.50
  6. Step 6: Final answer
    x = 13,173,981.75

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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.