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Finding the Third Proportional to 3,390,649.50 and 5,085,981

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Solution

The third proportional to 3,390,649.50 and 5,085,981 is: 7,628,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,649.50 : 5,085,981 = 5,085,981 : x
  2. Step 2: Convert to fraction form
    3,390,649.50/5,085,981 = 5,085,981/x
  3. Step 3: Cross multiply
    3,390,649.50x = 5,085,981 × 5,085,981
  4. Step 4: Simplify right side
    3,390,649.50x = 25,867,202,732,361
  5. Step 5: Solve for x
    x = 25,867,202,732,361/3,390,649.50
  6. Step 6: Final answer
    x = 7,628,981.63

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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.