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Finding the Third Proportional to 5,555,898 and 8,348,639

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Solution

The third proportional to 5,555,898 and 8,348,639 is: 12,545,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555,898 : 8,348,639 = 8,348,639 : x
  2. Step 2: Convert to fraction form
    5,555,898/8,348,639 = 8,348,639/x
  3. Step 3: Cross multiply
    5,555,898x = 8,348,639 × 8,348,639
  4. Step 4: Simplify right side
    5,555,898x = 69,699,773,152,321
  5. Step 5: Solve for x
    x = 69,699,773,152,321/5,555,898
  6. Step 6: Final answer
    x = 12,545,185.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.