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Finding the Third Proportional to 13,432,964 and 20,188,814

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Solution

The third proportional to 13,432,964 and 20,188,814 is: 30,342,388.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,964 : 20,188,814 = 20,188,814 : x
  2. Step 2: Convert to fraction form
    13,432,964/20,188,814 = 20,188,814/x
  3. Step 3: Cross multiply
    13,432,964x = 20,188,814 × 20,188,814
  4. Step 4: Simplify right side
    13,432,964x = 407,588,210,726,596
  5. Step 5: Solve for x
    x = 407,588,210,726,596/13,432,964
  6. Step 6: Final answer
    x = 30,342,388.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.