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Finding the Third Proportional to 68,135,656.50 and 147,771,099

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Solution

The third proportional to 68,135,656.50 and 147,771,099 is: 320,482,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,135,656.50 : 147,771,099 = 147,771,099 : x
  2. Step 2: Convert to fraction form
    68,135,656.50/147,771,099 = 147,771,099/x
  3. Step 3: Cross multiply
    68,135,656.50x = 147,771,099 × 147,771,099
  4. Step 4: Simplify right side
    68,135,656.50x = 21,836,297,699,667,800
  5. Step 5: Solve for x
    x = 21,836,297,699,667,800/68,135,656.50
  6. Step 6: Final answer
    x = 320,482,678.55

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.