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Finding the Third Proportional to 3,147,854.06 and 6,777,313.88

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Solution

The third proportional to 3,147,854.06 and 6,777,313.88 is: 14,591,522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,854.06 : 6,777,313.88 = 6,777,313.88 : x
  2. Step 2: Convert to fraction form
    3,147,854.06/6,777,313.88 = 6,777,313.88/x
  3. Step 3: Cross multiply
    3,147,854.06x = 6,777,313.88 × 6,777,313.88
  4. Step 4: Simplify right side
    3,147,854.06x = 45,931,983,360,267.52
  5. Step 5: Solve for x
    x = 45,931,983,360,267.52/3,147,854.06
  6. Step 6: Final answer
    x = 14,591,522.49

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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.