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Finding the Third Proportional to 5,193,427.50 and 8,146,651.50

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Solution

The third proportional to 5,193,427.50 and 8,146,651.50 is: 12,779,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193,427.50 : 8,146,651.50 = 8,146,651.50 : x
  2. Step 2: Convert to fraction form
    5,193,427.50/8,146,651.50 = 8,146,651.50/x
  3. Step 3: Cross multiply
    5,193,427.50x = 8,146,651.50 × 8,146,651.50
  4. Step 4: Simplify right side
    5,193,427.50x = 66,367,930,662,452.25
  5. Step 5: Solve for x
    x = 66,367,930,662,452.25/5,193,427.50
  6. Step 6: Final answer
    x = 12,779,215.78

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.