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Finding the Third Proportional to 190,797,887 and 411,811,366

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Solution

The third proportional to 190,797,887 and 411,811,366 is: 888,838,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,797,887 : 411,811,366 = 411,811,366 : x
  2. Step 2: Convert to fraction form
    190,797,887/411,811,366 = 411,811,366/x
  3. Step 3: Cross multiply
    190,797,887x = 411,811,366 × 411,811,366
  4. Step 4: Simplify right side
    190,797,887x = 169,588,601,166,785,952
  5. Step 5: Solve for x
    x = 169,588,601,166,785,952/190,797,887
  6. Step 6: Final answer
    x = 888,838,989.96

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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.