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Finding the Third Proportional to 12,984,192 and 20,185,088

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Solution

The third proportional to 12,984,192 and 20,185,088 is: 31,379,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,192 : 20,185,088 = 20,185,088 : x
  2. Step 2: Convert to fraction form
    12,984,192/20,185,088 = 20,185,088/x
  3. Step 3: Cross multiply
    12,984,192x = 20,185,088 × 20,185,088
  4. Step 4: Simplify right side
    12,984,192x = 407,437,777,567,744
  5. Step 5: Solve for x
    x = 407,437,777,567,744/12,984,192
  6. Step 6: Final answer
    x = 31,379,525.01

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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.