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Finding the Third Proportional to 9,414.19 and 20,287.50

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Solution

The third proportional to 9,414.19 and 20,287.50 is: 43,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.19 : 20,287.50 = 20,287.50 : x
  2. Step 2: Convert to fraction form
    9,414.19/20,287.50 = 20,287.50/x
  3. Step 3: Cross multiply
    9,414.19x = 20,287.50 × 20,287.50
  4. Step 4: Simplify right side
    9,414.19x = 411,582,656.25
  5. Step 5: Solve for x
    x = 411,582,656.25/9,414.19
  6. Step 6: Final answer
    x = 43,719.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.