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Finding the Third Proportional to 454,668 and 705,937.50

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Solution

The third proportional to 454,668 and 705,937.50 is: 1,096,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,668 : 705,937.50 = 705,937.50 : x
  2. Step 2: Convert to fraction form
    454,668/705,937.50 = 705,937.50/x
  3. Step 3: Cross multiply
    454,668x = 705,937.50 × 705,937.50
  4. Step 4: Simplify right side
    454,668x = 498,347,753,906.25
  5. Step 5: Solve for x
    x = 498,347,753,906.25/454,668
  6. Step 6: Final answer
    x = 1,096,069.56

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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.