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Finding the Third Proportional to 190,797,928 and 411,811,448

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Solution

The third proportional to 190,797,928 and 411,811,448 is: 888,839,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,797,928 : 411,811,448 = 411,811,448 : x
  2. Step 2: Convert to fraction form
    190,797,928/411,811,448 = 411,811,448/x
  3. Step 3: Cross multiply
    190,797,928x = 411,811,448 × 411,811,448
  4. Step 4: Simplify right side
    190,797,928x = 169,588,668,703,856,704
  5. Step 5: Solve for x
    x = 169,588,668,703,856,704/190,797,928
  6. Step 6: Final answer
    x = 888,839,152.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.