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Finding the Third Proportional to 9,345.38 and 20,442.38

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Solution

The third proportional to 9,345.38 and 20,442.38 is: 44,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.38 : 20,442.38 = 20,442.38 : x
  2. Step 2: Convert to fraction form
    9,345.38/20,442.38 = 20,442.38/x
  3. Step 3: Cross multiply
    9,345.38x = 20,442.38 × 20,442.38
  4. Step 4: Simplify right side
    9,345.38x = 417,890,695.64
  5. Step 5: Solve for x
    x = 417,890,695.64/9,345.38
  6. Step 6: Final answer
    x = 44,716.31

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1.5x scale

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.