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Finding the Third Proportional to 199,617,574 and 434,385,330

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Solution

The third proportional to 199,617,574 and 434,385,330 is: 945,260,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,617,574 : 434,385,330 = 434,385,330 : x
  2. Step 2: Convert to fraction form
    199,617,574/434,385,330 = 434,385,330/x
  3. Step 3: Cross multiply
    199,617,574x = 434,385,330 × 434,385,330
  4. Step 4: Simplify right side
    199,617,574x = 188,690,614,919,208,896
  5. Step 5: Solve for x
    x = 188,690,614,919,208,896/199,617,574
  6. Step 6: Final answer
    x = 945,260,535.62

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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.