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Finding the Third Proportional to 3,939,748.88 and 8,626,837.50

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Solution

The third proportional to 3,939,748.88 and 8,626,837.50 is: 18,890,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,748.88 : 8,626,837.50 = 8,626,837.50 : x
  2. Step 2: Convert to fraction form
    3,939,748.88/8,626,837.50 = 8,626,837.50/x
  3. Step 3: Cross multiply
    3,939,748.88x = 8,626,837.50 × 8,626,837.50
  4. Step 4: Simplify right side
    3,939,748.88x = 74,422,325,251,406.25
  5. Step 5: Solve for x
    x = 74,422,325,251,406.25/3,939,748.88
  6. Step 6: Final answer
    x = 18,890,119.04

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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.