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Finding the Third Proportional to 455,334.75 and 999,243

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Solution

The third proportional to 455,334.75 and 999,243 is: 2,192,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,334.75 : 999,243 = 999,243 : x
  2. Step 2: Convert to fraction form
    455,334.75/999,243 = 999,243/x
  3. Step 3: Cross multiply
    455,334.75x = 999,243 × 999,243
  4. Step 4: Simplify right side
    455,334.75x = 998,486,573,049
  5. Step 5: Solve for x
    x = 998,486,573,049/455,334.75
  6. Step 6: Final answer
    x = 2,192,862.66

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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.