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Finding the Third Proportional to 3,243,672 and 7,134,831

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Solution

The third proportional to 3,243,672 and 7,134,831 is: 15,693,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243,672 : 7,134,831 = 7,134,831 : x
  2. Step 2: Convert to fraction form
    3,243,672/7,134,831 = 7,134,831/x
  3. Step 3: Cross multiply
    3,243,672x = 7,134,831 × 7,134,831
  4. Step 4: Simplify right side
    3,243,672x = 50,905,813,398,561
  5. Step 5: Solve for x
    x = 50,905,813,398,561/3,243,672
  6. Step 6: Final answer
    x = 15,693,884.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.