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Finding the Third Proportional to 3,500,145.50 and 5,490,695

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Solution

The third proportional to 3,500,145.50 and 5,490,695 is: 8,613,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,145.50 : 5,490,695 = 5,490,695 : x
  2. Step 2: Convert to fraction form
    3,500,145.50/5,490,695 = 5,490,695/x
  3. Step 3: Cross multiply
    3,500,145.50x = 5,490,695 × 5,490,695
  4. Step 4: Simplify right side
    3,500,145.50x = 30,147,731,583,025
  5. Step 5: Solve for x
    x = 30,147,731,583,025/3,500,145.50
  6. Step 6: Final answer
    x = 8,613,279.53

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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.