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Finding the Third Proportional to 54,930,217.50 and 84,978,207

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Solution

The third proportional to 54,930,217.50 and 84,978,207 is: 131,463,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,930,217.50 : 84,978,207 = 84,978,207 : x
  2. Step 2: Convert to fraction form
    54,930,217.50/84,978,207 = 84,978,207/x
  3. Step 3: Cross multiply
    54,930,217.50x = 84,978,207 × 84,978,207
  4. Step 4: Simplify right side
    54,930,217.50x = 7,221,295,664,934,849
  5. Step 5: Solve for x
    x = 7,221,295,664,934,849/54,930,217.50
  6. Step 6: Final answer
    x = 131,463,081.59

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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.