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Finding the Third Proportional to 210,120.75 and 464,394

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Solution

The third proportional to 210,120.75 and 464,394 is: 1,026,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,120.75 : 464,394 = 464,394 : x
  2. Step 2: Convert to fraction form
    210,120.75/464,394 = 464,394/x
  3. Step 3: Cross multiply
    210,120.75x = 464,394 × 464,394
  4. Step 4: Simplify right side
    210,120.75x = 215,661,787,236
  5. Step 5: Solve for x
    x = 215,661,787,236/210,120.75
  6. Step 6: Final answer
    x = 1,026,370.73

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.