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Finding the Third Proportional to 295,910 and 418,704

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Solution

The third proportional to 295,910 and 418,704 is: 592,453.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,910 : 418,704 = 418,704 : x
  2. Step 2: Convert to fraction form
    295,910/418,704 = 418,704/x
  3. Step 3: Cross multiply
    295,910x = 418,704 × 418,704
  4. Step 4: Simplify right side
    295,910x = 175,313,039,616
  5. Step 5: Solve for x
    x = 175,313,039,616/295,910
  6. Step 6: Final answer
    x = 592,453.92

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.