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Finding the Third Proportional to 308,620,568 and 470,166,136

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Solution

The third proportional to 308,620,568 and 470,166,136 is: 716,271,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,620,568 : 470,166,136 = 470,166,136 : x
  2. Step 2: Convert to fraction form
    308,620,568/470,166,136 = 470,166,136/x
  3. Step 3: Cross multiply
    308,620,568x = 470,166,136 × 470,166,136
  4. Step 4: Simplify right side
    308,620,568x = 221,056,195,441,170,496
  5. Step 5: Solve for x
    x = 221,056,195,441,170,496/308,620,568
  6. Step 6: Final answer
    x = 716,271,753.61

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.