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Finding the Third Proportional to 302,670 and 424,183.50

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Solution

The third proportional to 302,670 and 424,183.50 is: 594,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,670 : 424,183.50 = 424,183.50 : x
  2. Step 2: Convert to fraction form
    302,670/424,183.50 = 424,183.50/x
  3. Step 3: Cross multiply
    302,670x = 424,183.50 × 424,183.50
  4. Step 4: Simplify right side
    302,670x = 179,931,641,672.25
  5. Step 5: Solve for x
    x = 179,931,641,672.25/302,670
  6. Step 6: Final answer
    x = 594,481.26

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.