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Finding the Third Proportional to 5,186,403.56 and 7,611,452.44

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Solution

The third proportional to 5,186,403.56 and 7,611,452.44 is: 11,170,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,403.56 : 7,611,452.44 = 7,611,452.44 : x
  2. Step 2: Convert to fraction form
    5,186,403.56/7,611,452.44 = 7,611,452.44/x
  3. Step 3: Cross multiply
    5,186,403.56x = 7,611,452.44 × 7,611,452.44
  4. Step 4: Simplify right side
    5,186,403.56x = 57,934,208,208,324.69
  5. Step 5: Solve for x
    x = 57,934,208,208,324.69/5,186,403.56
  6. Step 6: Final answer
    x = 11,170,401.13

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.