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Finding the Third Proportional to 15,828 and 34,511.25

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Solution

The third proportional to 15,828 and 34,511.25 is: 75,248.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828 : 34,511.25 = 34,511.25 : x
  2. Step 2: Convert to fraction form
    15,828/34,511.25 = 34,511.25/x
  3. Step 3: Cross multiply
    15,828x = 34,511.25 × 34,511.25
  4. Step 4: Simplify right side
    15,828x = 1,191,026,376.56
  5. Step 5: Solve for x
    x = 1,191,026,376.56/15,828
  6. Step 6: Final answer
    x = 75,248.07

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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.