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Finding the Third Proportional to 9,342.50 and 20,159.88

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Solution

The third proportional to 9,342.50 and 20,159.88 is: 43,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.50 : 20,159.88 = 20,159.88 : x
  2. Step 2: Convert to fraction form
    9,342.50/20,159.88 = 20,159.88/x
  3. Step 3: Cross multiply
    9,342.50x = 20,159.88 × 20,159.88
  4. Step 4: Simplify right side
    9,342.50x = 406,420,560.02
  5. Step 5: Solve for x
    x = 406,420,560.02/9,342.50
  6. Step 6: Final answer
    x = 43,502.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.