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Finding the Third Proportional to 6,466,821.75 and 8,991,501.75

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Solution

The third proportional to 6,466,821.75 and 8,991,501.75 is: 12,501,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466,821.75 : 8,991,501.75 = 8,991,501.75 : x
  2. Step 2: Convert to fraction form
    6,466,821.75/8,991,501.75 = 8,991,501.75/x
  3. Step 3: Cross multiply
    6,466,821.75x = 8,991,501.75 × 8,991,501.75
  4. Step 4: Simplify right side
    6,466,821.75x = 80,847,103,720,253.06
  5. Step 5: Solve for x
    x = 80,847,103,720,253.06/6,466,821.75
  6. Step 6: Final answer
    x = 12,501,829.62

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.