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Finding the Third Proportional to 178,520,572.69 and 275,859,771.19

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Solution

The third proportional to 178,520,572.69 and 275,859,771.19 is: 426,273,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,520,572.69 : 275,859,771.19 = 275,859,771.19 : x
  2. Step 2: Convert to fraction form
    178,520,572.69/275,859,771.19 = 275,859,771.19/x
  3. Step 3: Cross multiply
    178,520,572.69x = 275,859,771.19 × 275,859,771.19
  4. Step 4: Simplify right side
    178,520,572.69x = 76,098,613,359,619,856
  5. Step 5: Solve for x
    x = 76,098,613,359,619,856/178,520,572.69
  6. Step 6: Final answer
    x = 426,273,634.54

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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.