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Finding the Third Proportional to 17,775.07 and 39,246.40

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Solution

The third proportional to 17,775.07 and 39,246.40 is: 86,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,775.07 : 39,246.40 = 39,246.40 : x
  2. Step 2: Convert to fraction form
    17,775.07/39,246.40 = 39,246.40/x
  3. Step 3: Cross multiply
    17,775.07x = 39,246.40 × 39,246.40
  4. Step 4: Simplify right side
    17,775.07x = 1,540,279,790.32
  5. Step 5: Solve for x
    x = 1,540,279,790.32/17,775.07
  6. Step 6: Final answer
    x = 86,653.94

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.