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Finding the Third Proportional to 191,903,568 and 280,658,105

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Solution

The third proportional to 191,903,568 and 280,658,105 is: 410,461,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,903,568 : 280,658,105 = 280,658,105 : x
  2. Step 2: Convert to fraction form
    191,903,568/280,658,105 = 280,658,105/x
  3. Step 3: Cross multiply
    191,903,568x = 280,658,105 × 280,658,105
  4. Step 4: Simplify right side
    191,903,568x = 78,768,971,902,191,024
  5. Step 5: Solve for x
    x = 78,768,971,902,191,024/191,903,568
  6. Step 6: Final answer
    x = 410,461,216.14

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.