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Finding the Third Proportional to 8,620,999 and 13,523,771

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Solution

The third proportional to 8,620,999 and 13,523,771 is: 21,214,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,999 : 13,523,771 = 13,523,771 : x
  2. Step 2: Convert to fraction form
    8,620,999/13,523,771 = 13,523,771/x
  3. Step 3: Cross multiply
    8,620,999x = 13,523,771 × 13,523,771
  4. Step 4: Simplify right side
    8,620,999x = 182,892,382,060,441
  5. Step 5: Solve for x
    x = 182,892,382,060,441/8,620,999
  6. Step 6: Final answer
    x = 21,214,755.05

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.