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Finding the Third Proportional to 9,143.63 and 19,962.75

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Solution

The third proportional to 9,143.63 and 19,962.75 is: 43,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.63 : 19,962.75 = 19,962.75 : x
  2. Step 2: Convert to fraction form
    9,143.63/19,962.75 = 19,962.75/x
  3. Step 3: Cross multiply
    9,143.63x = 19,962.75 × 19,962.75
  4. Step 4: Simplify right side
    9,143.63x = 398,511,387.56
  5. Step 5: Solve for x
    x = 398,511,387.56/9,143.63
  6. Step 6: Final answer
    x = 43,583.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.