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Finding the Third Proportional to 3,810,847.50 and 8,389,332

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Solution

The third proportional to 3,810,847.50 and 8,389,332 is: 18,468,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810,847.50 : 8,389,332 = 8,389,332 : x
  2. Step 2: Convert to fraction form
    3,810,847.50/8,389,332 = 8,389,332/x
  3. Step 3: Cross multiply
    3,810,847.50x = 8,389,332 × 8,389,332
  4. Step 4: Simplify right side
    3,810,847.50x = 70,380,891,406,224
  5. Step 5: Solve for x
    x = 70,380,891,406,224/3,810,847.50
  6. Step 6: Final answer
    x = 18,468,566.74

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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.