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Finding the Third Proportional to 20,215.50 and 44,319

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Solution

The third proportional to 20,215.50 and 44,319 is: 97,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215.50 : 44,319 = 44,319 : x
  2. Step 2: Convert to fraction form
    20,215.50/44,319 = 44,319/x
  3. Step 3: Cross multiply
    20,215.50x = 44,319 × 44,319
  4. Step 4: Simplify right side
    20,215.50x = 1,964,173,761
  5. Step 5: Solve for x
    x = 1,964,173,761/20,215.50
  6. Step 6: Final answer
    x = 97,161.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.