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Finding the Third Proportional to 302,503.50 and 382,293

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Solution

The third proportional to 302,503.50 and 382,293 is: 483,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,503.50 : 382,293 = 382,293 : x
  2. Step 2: Convert to fraction form
    302,503.50/382,293 = 382,293/x
  3. Step 3: Cross multiply
    302,503.50x = 382,293 × 382,293
  4. Step 4: Simplify right side
    302,503.50x = 146,147,937,849
  5. Step 5: Solve for x
    x = 146,147,937,849/302,503.50
  6. Step 6: Final answer
    x = 483,128.09

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Why These Related Problems?

These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.