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Finding the Third Proportional to 3,408,934.50 and 7,290,666

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Solution

The third proportional to 3,408,934.50 and 7,290,666 is: 15,592,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,934.50 : 7,290,666 = 7,290,666 : x
  2. Step 2: Convert to fraction form
    3,408,934.50/7,290,666 = 7,290,666/x
  3. Step 3: Cross multiply
    3,408,934.50x = 7,290,666 × 7,290,666
  4. Step 4: Simplify right side
    3,408,934.50x = 53,153,810,723,556
  5. Step 5: Solve for x
    x = 53,153,810,723,556/3,408,934.50
  6. Step 6: Final answer
    x = 15,592,499.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.