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Finding the Third Proportional to 3,207,661.50 and 4,239,954

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Solution

The third proportional to 3,207,661.50 and 4,239,954 is: 5,604,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,661.50 : 4,239,954 = 4,239,954 : x
  2. Step 2: Convert to fraction form
    3,207,661.50/4,239,954 = 4,239,954/x
  3. Step 3: Cross multiply
    3,207,661.50x = 4,239,954 × 4,239,954
  4. Step 4: Simplify right side
    3,207,661.50x = 17,977,209,922,116
  5. Step 5: Solve for x
    x = 17,977,209,922,116/3,207,661.50
  6. Step 6: Final answer
    x = 5,604,459.80

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.