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Finding the Third Proportional to 3,939,751.50 and 8,626,875

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Solution

The third proportional to 3,939,751.50 and 8,626,875 is: 18,890,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,751.50 : 8,626,875 = 8,626,875 : x
  2. Step 2: Convert to fraction form
    3,939,751.50/8,626,875 = 8,626,875/x
  3. Step 3: Cross multiply
    3,939,751.50x = 8,626,875 × 8,626,875
  4. Step 4: Simplify right side
    3,939,751.50x = 74,422,972,265,625
  5. Step 5: Solve for x
    x = 74,422,972,265,625/3,939,751.50
  6. Step 6: Final answer
    x = 18,890,270.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.