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Finding the Third Proportional to 85,471,917 and 132,430,162.50

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Solution

The third proportional to 85,471,917 and 132,430,162.50 is: 205,187,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,471,917 : 132,430,162.50 = 132,430,162.50 : x
  2. Step 2: Convert to fraction form
    85,471,917/132,430,162.50 = 132,430,162.50/x
  3. Step 3: Cross multiply
    85,471,917x = 132,430,162.50 × 132,430,162.50
  4. Step 4: Simplify right side
    85,471,917x = 17,537,747,939,776,406
  5. Step 5: Solve for x
    x = 17,537,747,939,776,406/85,471,917
  6. Step 6: Final answer
    x = 205,187,253.96

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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.