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Finding the Third Proportional to 168,925.50 and 360,423

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Solution

The third proportional to 168,925.50 and 360,423 is: 769,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,925.50 : 360,423 = 360,423 : x
  2. Step 2: Convert to fraction form
    168,925.50/360,423 = 360,423/x
  3. Step 3: Cross multiply
    168,925.50x = 360,423 × 360,423
  4. Step 4: Simplify right side
    168,925.50x = 129,904,738,929
  5. Step 5: Solve for x
    x = 129,904,738,929/168,925.50
  6. Step 6: Final answer
    x = 769,006.09

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.