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Finding the Third Proportional to 302,092.50 and 423,477

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Solution

The third proportional to 302,092.50 and 423,477 is: 593,635.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,092.50 : 423,477 = 423,477 : x
  2. Step 2: Convert to fraction form
    302,092.50/423,477 = 423,477/x
  3. Step 3: Cross multiply
    302,092.50x = 423,477 × 423,477
  4. Step 4: Simplify right side
    302,092.50x = 179,332,769,529
  5. Step 5: Solve for x
    x = 179,332,769,529/302,092.50
  6. Step 6: Final answer
    x = 593,635.29

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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.