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Finding the Third Proportional to 13,493,385 and 20,727,318

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Solution

The third proportional to 13,493,385 and 20,727,318 is: 31,839,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493,385 : 20,727,318 = 20,727,318 : x
  2. Step 2: Convert to fraction form
    13,493,385/20,727,318 = 20,727,318/x
  3. Step 3: Cross multiply
    13,493,385x = 20,727,318 × 20,727,318
  4. Step 4: Simplify right side
    13,493,385x = 429,621,711,473,124
  5. Step 5: Solve for x
    x = 429,621,711,473,124/13,493,385
  6. Step 6: Final answer
    x = 31,839,431.80

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.