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Finding the Third Proportional to 3,556,554.75 and 8,392,938.75

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Solution

The third proportional to 3,556,554.75 and 8,392,938.75 is: 19,806,083.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,554.75 : 8,392,938.75 = 8,392,938.75 : x
  2. Step 2: Convert to fraction form
    3,556,554.75/8,392,938.75 = 8,392,938.75/x
  3. Step 3: Cross multiply
    3,556,554.75x = 8,392,938.75 × 8,392,938.75
  4. Step 4: Simplify right side
    3,556,554.75x = 70,441,420,861,251.56
  5. Step 5: Solve for x
    x = 70,441,420,861,251.56/3,556,554.75
  6. Step 6: Final answer
    x = 19,806,083.64

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.