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Finding the Third Proportional to 178,517,829 and 275,855,310

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Solution

The third proportional to 178,517,829 and 275,855,310 is: 426,266,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,517,829 : 275,855,310 = 275,855,310 : x
  2. Step 2: Convert to fraction form
    178,517,829/275,855,310 = 275,855,310/x
  3. Step 3: Cross multiply
    178,517,829x = 275,855,310 × 275,855,310
  4. Step 4: Simplify right side
    178,517,829x = 76,096,152,055,196,096
  5. Step 5: Solve for x
    x = 76,096,152,055,196,096/178,517,829
  6. Step 6: Final answer
    x = 426,266,398.61

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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.