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Finding the Third Proportional to 8,485,945 and 18,892,624

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Solution

The third proportional to 8,485,945 and 18,892,624 is: 42,061,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485,945 : 18,892,624 = 18,892,624 : x
  2. Step 2: Convert to fraction form
    8,485,945/18,892,624 = 18,892,624/x
  3. Step 3: Cross multiply
    8,485,945x = 18,892,624 × 18,892,624
  4. Step 4: Simplify right side
    8,485,945x = 356,931,241,605,376
  5. Step 5: Solve for x
    x = 356,931,241,605,376/8,485,945
  6. Step 6: Final answer
    x = 42,061,460.64

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.