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Finding the Third Proportional to 20,079 and 29,398.50

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Solution

The third proportional to 20,079 and 29,398.50 is: 43,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079 : 29,398.50 = 29,398.50 : x
  2. Step 2: Convert to fraction form
    20,079/29,398.50 = 29,398.50/x
  3. Step 3: Cross multiply
    20,079x = 29,398.50 × 29,398.50
  4. Step 4: Simplify right side
    20,079x = 864,271,802.25
  5. Step 5: Solve for x
    x = 864,271,802.25/20,079
  6. Step 6: Final answer
    x = 43,043.57

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.