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Finding the Third Proportional to 4,172,010.75 and 8,663,766.75

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Solution

The third proportional to 4,172,010.75 and 8,663,766.75 is: 17,991,529.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172,010.75 : 8,663,766.75 = 8,663,766.75 : x
  2. Step 2: Convert to fraction form
    4,172,010.75/8,663,766.75 = 8,663,766.75/x
  3. Step 3: Cross multiply
    4,172,010.75x = 8,663,766.75 × 8,663,766.75
  4. Step 4: Simplify right side
    4,172,010.75x = 75,060,854,298,405.56
  5. Step 5: Solve for x
    x = 75,060,854,298,405.56/4,172,010.75
  6. Step 6: Final answer
    x = 17,991,529.46

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.