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Finding the Third Proportional to 3,947,140.50 and 8,503,341

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Solution

The third proportional to 3,947,140.50 and 8,503,341 is: 18,318,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,140.50 : 8,503,341 = 8,503,341 : x
  2. Step 2: Convert to fraction form
    3,947,140.50/8,503,341 = 8,503,341/x
  3. Step 3: Cross multiply
    3,947,140.50x = 8,503,341 × 8,503,341
  4. Step 4: Simplify right side
    3,947,140.50x = 72,306,808,162,281
  5. Step 5: Solve for x
    x = 72,306,808,162,281/3,947,140.50
  6. Step 6: Final answer
    x = 18,318,782.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.