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Finding the Third Proportional to 74,511 and 159,675.75

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Solution

The third proportional to 74,511 and 159,675.75 is: 342,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,511 : 159,675.75 = 159,675.75 : x
  2. Step 2: Convert to fraction form
    74,511/159,675.75 = 159,675.75/x
  3. Step 3: Cross multiply
    74,511x = 159,675.75 × 159,675.75
  4. Step 4: Simplify right side
    74,511x = 25,496,345,138.06
  5. Step 5: Solve for x
    x = 25,496,345,138.06/74,511
  6. Step 6: Final answer
    x = 342,182.30

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.