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Finding the Third Proportional to 8,207,446.50 and 12,589,345.50

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Solution

The third proportional to 8,207,446.50 and 12,589,345.50 is: 19,310,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207,446.50 : 12,589,345.50 = 12,589,345.50 : x
  2. Step 2: Convert to fraction form
    8,207,446.50/12,589,345.50 = 12,589,345.50/x
  3. Step 3: Cross multiply
    8,207,446.50x = 12,589,345.50 × 12,589,345.50
  4. Step 4: Simplify right side
    8,207,446.50x = 158,491,620,118,370.25
  5. Step 5: Solve for x
    x = 158,491,620,118,370.25/8,207,446.50
  6. Step 6: Final answer
    x = 19,310,710.11

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.