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Finding the Third Proportional to 455,334 and 999,242

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Solution

The third proportional to 455,334 and 999,242 is: 2,192,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,334 : 999,242 = 999,242 : x
  2. Step 2: Convert to fraction form
    455,334/999,242 = 999,242/x
  3. Step 3: Cross multiply
    455,334x = 999,242 × 999,242
  4. Step 4: Simplify right side
    455,334x = 998,484,574,564
  5. Step 5: Solve for x
    x = 998,484,574,564/455,334
  6. Step 6: Final answer
    x = 2,192,861.89

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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.