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Finding the Third Proportional to 199,617,566 and 434,385,310

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Solution

The third proportional to 199,617,566 and 434,385,310 is: 945,260,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,617,566 : 434,385,310 = 434,385,310 : x
  2. Step 2: Convert to fraction form
    199,617,566/434,385,310 = 434,385,310/x
  3. Step 3: Cross multiply
    199,617,566x = 434,385,310 × 434,385,310
  4. Step 4: Simplify right side
    199,617,566x = 188,690,597,543,796,096
  5. Step 5: Solve for x
    x = 188,690,597,543,796,096/199,617,566
  6. Step 6: Final answer
    x = 945,260,486.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.