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Finding the Third Proportional to 302,416.50 and 446,683.50

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Solution

The third proportional to 302,416.50 and 446,683.50 is: 659,772.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,416.50 : 446,683.50 = 446,683.50 : x
  2. Step 2: Convert to fraction form
    302,416.50/446,683.50 = 446,683.50/x
  3. Step 3: Cross multiply
    302,416.50x = 446,683.50 × 446,683.50
  4. Step 4: Simplify right side
    302,416.50x = 199,526,149,172.25
  5. Step 5: Solve for x
    x = 199,526,149,172.25/302,416.50
  6. Step 6: Final answer
    x = 659,772.69

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.