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Finding the Third Proportional to 129,822,732 and 201,662,504

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Solution

The third proportional to 129,822,732 and 201,662,504 is: 313,256,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,822,732 : 201,662,504 = 201,662,504 : x
  2. Step 2: Convert to fraction form
    129,822,732/201,662,504 = 201,662,504/x
  3. Step 3: Cross multiply
    129,822,732x = 201,662,504 × 201,662,504
  4. Step 4: Simplify right side
    129,822,732x = 40,667,765,519,550,016
  5. Step 5: Solve for x
    x = 40,667,765,519,550,016/129,822,732
  6. Step 6: Final answer
    x = 313,256,121.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.