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Finding the Third Proportional to 250,331.25 and 521,371.50

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Solution

The third proportional to 250,331.25 and 521,371.50 is: 1,085,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,331.25 : 521,371.50 = 521,371.50 : x
  2. Step 2: Convert to fraction form
    250,331.25/521,371.50 = 521,371.50/x
  3. Step 3: Cross multiply
    250,331.25x = 521,371.50 × 521,371.50
  4. Step 4: Simplify right side
    250,331.25x = 271,828,241,012.25
  5. Step 5: Solve for x
    x = 271,828,241,012.25/250,331.25
  6. Step 6: Final answer
    x = 1,085,874.18

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.