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Finding the Third Proportional to 7,011,556.88 and 10,489,389.75

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Solution

The third proportional to 7,011,556.88 and 10,489,389.75 is: 15,692,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011,556.88 : 10,489,389.75 = 10,489,389.75 : x
  2. Step 2: Convert to fraction form
    7,011,556.88/10,489,389.75 = 10,489,389.75/x
  3. Step 3: Cross multiply
    7,011,556.88x = 10,489,389.75 × 10,489,389.75
  4. Step 4: Simplify right side
    7,011,556.88x = 110,027,297,327,405.06
  5. Step 5: Solve for x
    x = 110,027,297,327,405.06/7,011,556.88
  6. Step 6: Final answer
    x = 15,692,277.66

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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.