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Finding the Third Proportional to 13,570,069 and 20,985,286

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Solution

The third proportional to 13,570,069 and 20,985,286 is: 32,452,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570,069 : 20,985,286 = 20,985,286 : x
  2. Step 2: Convert to fraction form
    13,570,069/20,985,286 = 20,985,286/x
  3. Step 3: Cross multiply
    13,570,069x = 20,985,286 × 20,985,286
  4. Step 4: Simplify right side
    13,570,069x = 440,382,228,501,796
  5. Step 5: Solve for x
    x = 440,382,228,501,796/13,570,069
  6. Step 6: Final answer
    x = 32,452,467.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.