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Finding the Third Proportional to 302,101.50 and 658,120.50

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Solution

The third proportional to 302,101.50 and 658,120.50 is: 1,433,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,101.50 : 658,120.50 = 658,120.50 : x
  2. Step 2: Convert to fraction form
    302,101.50/658,120.50 = 658,120.50/x
  3. Step 3: Cross multiply
    302,101.50x = 658,120.50 × 658,120.50
  4. Step 4: Simplify right side
    302,101.50x = 433,122,592,520.25
  5. Step 5: Solve for x
    x = 433,122,592,520.25/302,101.50
  6. Step 6: Final answer
    x = 1,433,698.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.