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Finding the Third Proportional to 4,207,965 and 9,203,250

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Solution

The third proportional to 4,207,965 and 9,203,250 is: 20,128,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207,965 : 9,203,250 = 9,203,250 : x
  2. Step 2: Convert to fraction form
    4,207,965/9,203,250 = 9,203,250/x
  3. Step 3: Cross multiply
    4,207,965x = 9,203,250 × 9,203,250
  4. Step 4: Simplify right side
    4,207,965x = 84,699,810,562,500
  5. Step 5: Solve for x
    x = 84,699,810,562,500/4,207,965
  6. Step 6: Final answer
    x = 20,128,449.40

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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.