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Finding the Third Proportional to 30,621.16 and 48,119.06

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Solution

The third proportional to 30,621.16 and 48,119.06 is: 75,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.16 : 48,119.06 = 48,119.06 : x
  2. Step 2: Convert to fraction form
    30,621.16/48,119.06 = 48,119.06/x
  3. Step 3: Cross multiply
    30,621.16x = 48,119.06 × 48,119.06
  4. Step 4: Simplify right side
    30,621.16x = 2,315,444,175.88
  5. Step 5: Solve for x
    x = 2,315,444,175.88/30,621.16
  6. Step 6: Final answer
    x = 75,615.81

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.