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Finding the Third Proportional to 30,189 and 48,259.50

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Solution

The third proportional to 30,189 and 48,259.50 is: 77,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189 : 48,259.50 = 48,259.50 : x
  2. Step 2: Convert to fraction form
    30,189/48,259.50 = 48,259.50/x
  3. Step 3: Cross multiply
    30,189x = 48,259.50 × 48,259.50
  4. Step 4: Simplify right side
    30,189x = 2,328,979,340.25
  5. Step 5: Solve for x
    x = 2,328,979,340.25/30,189
  6. Step 6: Final answer
    x = 77,146.62

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.